Home / 47,372.38-71,065.59-15,772.12

Finding the Fourth Proportional to 47,372.38, 71,065.59 and 15,772.12

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Solution

The fourth proportional to 47,372.38, 71,065.59 and 15,772.12 is: 23,660.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,372.38 : 71,065.59 = 15,772.12 : x
  2. Step 2: Convert to fraction form
    47,372.38/71,065.59 = 15,772.12/x
  3. Step 3: Cross multiply
    47,372.38x = 71,065.59 × 15,772.12
  4. Step 4: Simplify right side
    47,372.38x = 1,120,855,013.35
  5. Step 5: Solve for x
    x = 1,120,855,013.35/47,372.38
  6. Step 6: Final answer
    x = 23,660.52

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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.