Finding the Fourth Proportional to 42.74, 58.97 and 24.31
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Solution
The fourth proportional to 42.74, 58.97 and 24.31 is: 33.55
Step by Step Solution
- Step 1: Write the proportion equation
42.74 : 58.97 = 24.31 : x - Step 2: Convert to fraction form
42.74/58.97 = 24.31/x - Step 3: Cross multiply
42.74x = 58.97 × 24.31 - Step 4: Simplify right side
42.74x = 1,433.60 - Step 5: Solve for x
x = 1,433.60/42.74 - Step 6: Final answer
x = 33.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.