Home / 31,711.52-47,576.88-11,996.12

Finding the Fourth Proportional to 31,711.52, 47,576.88 and 11,996.12

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Solution

The fourth proportional to 31,711.52, 47,576.88 and 11,996.12 is: 17,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.52 : 47,576.88 = 11,996.12 : x
  2. Step 2: Convert to fraction form
    31,711.52/47,576.88 = 11,996.12/x
  3. Step 3: Cross multiply
    31,711.52x = 47,576.88 × 11,996.12
  4. Step 4: Simplify right side
    31,711.52x = 570,737,961.71
  5. Step 5: Solve for x
    x = 570,737,961.71/31,711.52
  6. Step 6: Final answer
    x = 17,997.81

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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.