Finding the Fourth Proportional to 42.12, 58.14 and 24.88
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Solution
The fourth proportional to 42.12, 58.14 and 24.88 is: 34.34
Step by Step Solution
- Step 1: Write the proportion equation
42.12 : 58.14 = 24.88 : x - Step 2: Convert to fraction form
42.12/58.14 = 24.88/x - Step 3: Cross multiply
42.12x = 58.14 × 24.88 - Step 4: Simplify right side
42.12x = 1,446.52 - Step 5: Solve for x
x = 1,446.52/42.12 - Step 6: Final answer
x = 34.34
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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.