Finding the Fourth Proportional to 45.35, 62.54 and 37.99
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Solution
The fourth proportional to 45.35, 62.54 and 37.99 is: 52.38
Step by Step Solution
- Step 1: Write the proportion equation
45.35 : 62.54 = 37.99 : x - Step 2: Convert to fraction form
45.35/62.54 = 37.99/x - Step 3: Cross multiply
45.35x = 62.54 × 37.99 - Step 4: Simplify right side
45.35x = 2,375.55 - Step 5: Solve for x
x = 2,375.55/45.35 - Step 6: Final answer
x = 52.38
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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.