Home / 31,856.92-47,769.90-9,666.28

Finding the Fourth Proportional to 31,856.92, 47,769.90 and 9,666.28

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Solution

The fourth proportional to 31,856.92, 47,769.90 and 9,666.28 is: 14,494.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,856.92 : 47,769.90 = 9,666.28 : x
  2. Step 2: Convert to fraction form
    31,856.92/47,769.90 = 9,666.28/x
  3. Step 3: Cross multiply
    31,856.92x = 47,769.90 × 9,666.28
  4. Step 4: Simplify right side
    31,856.92x = 461,757,228.97
  5. Step 5: Solve for x
    x = 461,757,228.97/31,856.92
  6. Step 6: Final answer
    x = 14,494.72

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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.