it is only natural that
it is no wonder
Structure
- Verb + のも当然だ / のは当然だ
- い-Adj + のも当然だ / のは当然だ
- な-Adj + な + のも当然だ / のは当然だ
- Noun +
のも当然だ /のは当然だ
[may well・have/has a good reason for]
I’d like to share a reference about the difference beween 最もだ and 当然だ: JLPT N2 ～て当然だ ～て当たり前だ ～のももっともだ ～も同然だ | にほんごの里
From what I understood, they are equivalent (right?). If the reference is accurate, consider the possibility of addding it to the readings section