Home / 31,843.13-47,757.20-13,104.59

Finding the Fourth Proportional to 31,843.13, 47,757.20 and 13,104.59

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Solution

The fourth proportional to 31,843.13, 47,757.20 and 13,104.59 is: 19,653.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,843.13 : 47,757.20 = 13,104.59 : x
  2. Step 2: Convert to fraction form
    31,843.13/47,757.20 = 13,104.59/x
  3. Step 3: Cross multiply
    31,843.13x = 47,757.20 × 13,104.59
  4. Step 4: Simplify right side
    31,843.13x = 625,838,221.24
  5. Step 5: Solve for x
    x = 625,838,221.24/31,843.13
  6. Step 6: Final answer
    x = 19,653.79

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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.