Home / 31,939.92-47,917.17-9,756.45

Finding the Fourth Proportional to 31,939.92, 47,917.17 and 9,756.45

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Solution

The fourth proportional to 31,939.92, 47,917.17 and 9,756.45 is: 14,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,939.92 : 47,917.17 = 9,756.45 : x
  2. Step 2: Convert to fraction form
    31,939.92/47,917.17 = 9,756.45/x
  3. Step 3: Cross multiply
    31,939.92x = 47,917.17 × 9,756.45
  4. Step 4: Simplify right side
    31,939.92x = 467,501,473.25
  5. Step 5: Solve for x
    x = 467,501,473.25/31,939.92
  6. Step 6: Final answer
    x = 14,636.90

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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.