Home / 31,867.91-47,789.99-9,372.57

Finding the Fourth Proportional to 31,867.91, 47,789.99 and 9,372.57

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Solution

The fourth proportional to 31,867.91, 47,789.99 and 9,372.57 is: 14,055.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,867.91 : 47,789.99 = 9,372.57 : x
  2. Step 2: Convert to fraction form
    31,867.91/47,789.99 = 9,372.57/x
  3. Step 3: Cross multiply
    31,867.91x = 47,789.99 × 9,372.57
  4. Step 4: Simplify right side
    31,867.91x = 447,915,026.57
  5. Step 5: Solve for x
    x = 447,915,026.57/31,867.91
  6. Step 6: Final answer
    x = 14,055.36

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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.