Finding the Fourth Proportional to 50.17, 69.25 and 39.84
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Solution
The fourth proportional to 50.17, 69.25 and 39.84 is: 54.99
Step by Step Solution
- Step 1: Write the proportion equation
50.17 : 69.25 = 39.84 : x - Step 2: Convert to fraction form
50.17/69.25 = 39.84/x - Step 3: Cross multiply
50.17x = 69.25 × 39.84 - Step 4: Simplify right side
50.17x = 2,758.82 - Step 5: Solve for x
x = 2,758.82/50.17 - Step 6: Final answer
x = 54.99
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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.