Home / 31,966.08-47,951.28-15,329.76

Finding the Fourth Proportional to 31,966.08, 47,951.28 and 15,329.76

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Solution

The fourth proportional to 31,966.08, 47,951.28 and 15,329.76 is: 22,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,966.08 : 47,951.28 = 15,329.76 : x
  2. Step 2: Convert to fraction form
    31,966.08/47,951.28 = 15,329.76/x
  3. Step 3: Cross multiply
    31,966.08x = 47,951.28 × 15,329.76
  4. Step 4: Simplify right side
    31,966.08x = 735,081,614.09
  5. Step 5: Solve for x
    x = 735,081,614.09/31,966.08
  6. Step 6: Final answer
    x = 22,995.68

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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.