Finding the Fourth Proportional to 71,432.96, 107,156.64 and 18,846.08
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Solution
The fourth proportional to 71,432.96, 107,156.64 and 18,846.08 is: 28,271.02
Step by Step Solution
- Step 1: Write the proportion equation
71,432.96 : 107,156.64 = 18,846.08 : x - Step 2: Convert to fraction form
71,432.96/107,156.64 = 18,846.08/x - Step 3: Cross multiply
71,432.96x = 107,156.64 × 18,846.08 - Step 4: Simplify right side
71,432.96x = 2,019,482,609.97 - Step 5: Solve for x
x = 2,019,482,609.97/71,432.96 - Step 6: Final answer
x = 28,271.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.