Home / 31,534.38-47,275.92-11,801.88

Finding the Fourth Proportional to 31,534.38, 47,275.92 and 11,801.88

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Solution

The fourth proportional to 31,534.38, 47,275.92 and 11,801.88 is: 17,693.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,534.38 : 47,275.92 = 11,801.88 : x
  2. Step 2: Convert to fraction form
    31,534.38/47,275.92 = 11,801.88/x
  3. Step 3: Cross multiply
    31,534.38x = 47,275.92 × 11,801.88
  4. Step 4: Simplify right side
    31,534.38x = 557,944,734.73
  5. Step 5: Solve for x
    x = 557,944,734.73/31,534.38
  6. Step 6: Final answer
    x = 17,693.22

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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.