Finding the Fourth Proportional to 77,238.75, 115,860.14 and 24,648.18
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Solution
The fourth proportional to 77,238.75, 115,860.14 and 24,648.18 is: 36,972.92
Step by Step Solution
- Step 1: Write the proportion equation
77,238.75 : 115,860.14 = 24,648.18 : x - Step 2: Convert to fraction form
77,238.75/115,860.14 = 24,648.18/x - Step 3: Cross multiply
77,238.75x = 115,860.14 × 24,648.18 - Step 4: Simplify right side
77,238.75x = 2,855,741,647.17 - Step 5: Solve for x
x = 2,855,741,647.17/77,238.75 - Step 6: Final answer
x = 36,972.92
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1.5x scale
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.