Finding the Fourth Proportional to 115,022, 172,533 and 31,916
Calculator
Solution
The fourth proportional to 115,022, 172,533 and 31,916 is: 47,874
Step by Step Solution
- Step 1: Write the proportion equation
115,022 : 172,533 = 31,916 : x - Step 2: Convert to fraction form
115,022/172,533 = 31,916/x - Step 3: Cross multiply
115,022x = 172,533 × 31,916 - Step 4: Simplify right side
115,022x = 5,506,563,228 - Step 5: Solve for x
x = 5,506,563,228/115,022 - Step 6: Final answer
x = 47,874
Related Problems
Find fourth proportional to 57,511, 86,266.50 and 15,958
Half scale
Find fourth proportional to 230,044, 345,066 and 63,832
Double scale
Find fourth proportional to 115,023, 172,534.50 and 31,917
Similar ratio
Find fourth proportional to 172,533, 258,799.50 and 47,874
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.