Finding the Fourth Proportional to 61.83, 92.81 and 32.99
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Solution
The fourth proportional to 61.83, 92.81 and 32.99 is: 49.52
Step by Step Solution
- Step 1: Write the proportion equation
61.83 : 92.81 = 32.99 : x - Step 2: Convert to fraction form
61.83/92.81 = 32.99/x - Step 3: Cross multiply
61.83x = 92.81 × 32.99 - Step 4: Simplify right side
61.83x = 3,061.80 - Step 5: Solve for x
x = 3,061.80/61.83 - Step 6: Final answer
x = 49.52
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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.