Finding the Fourth Proportional to 48.43, 72.61 and 33.99
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Solution
The fourth proportional to 48.43, 72.61 and 33.99 is: 50.96
Step by Step Solution
- Step 1: Write the proportion equation
48.43 : 72.61 = 33.99 : x - Step 2: Convert to fraction form
48.43/72.61 = 33.99/x - Step 3: Cross multiply
48.43x = 72.61 × 33.99 - Step 4: Simplify right side
48.43x = 2,468.01 - Step 5: Solve for x
x = 2,468.01/48.43 - Step 6: Final answer
x = 50.96
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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.