Finding the Fourth Proportional to 71,947.74, 107,930.67 and 24,571.80
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Solution
The fourth proportional to 71,947.74, 107,930.67 and 24,571.80 is: 36,860.79
Step by Step Solution
- Step 1: Write the proportion equation
71,947.74 : 107,930.67 = 24,571.80 : x - Step 2: Convert to fraction form
71,947.74/107,930.67 = 24,571.80/x - Step 3: Cross multiply
71,947.74x = 107,930.67 × 24,571.80 - Step 4: Simplify right side
71,947.74x = 2,652,050,837.11 - Step 5: Solve for x
x = 2,652,050,837.11/71,947.74 - Step 6: Final answer
x = 36,860.79
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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.