Home / 31,841.52-47,761.47-15,213.30

Finding the Fourth Proportional to 31,841.52, 47,761.47 and 15,213.30

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Solution

The fourth proportional to 31,841.52, 47,761.47 and 15,213.30 is: 22,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,841.52 : 47,761.47 = 15,213.30 : x
  2. Step 2: Convert to fraction form
    31,841.52/47,761.47 = 15,213.30/x
  3. Step 3: Cross multiply
    31,841.52x = 47,761.47 × 15,213.30
  4. Step 4: Simplify right side
    31,841.52x = 726,609,571.55
  5. Step 5: Solve for x
    x = 726,609,571.55/31,841.52
  6. Step 6: Final answer
    x = 22,819.56

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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.