Home / 42,732.96-64,099.19-17,432.38

Finding the Fourth Proportional to 42,732.96, 64,099.19 and 17,432.38

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Solution

The fourth proportional to 42,732.96, 64,099.19 and 17,432.38 is: 26,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,732.96 : 64,099.19 = 17,432.38 : x
  2. Step 2: Convert to fraction form
    42,732.96/64,099.19 = 17,432.38/x
  3. Step 3: Cross multiply
    42,732.96x = 64,099.19 × 17,432.38
  4. Step 4: Simplify right side
    42,732.96x = 1,117,401,350.61
  5. Step 5: Solve for x
    x = 1,117,401,350.61/42,732.96
  6. Step 6: Final answer
    x = 26,148.47

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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.