Home / 31,608.11-47,448.81-18,469.91

Finding the Fourth Proportional to 31,608.11, 47,448.81 and 18,469.91

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Solution

The fourth proportional to 31,608.11, 47,448.81 and 18,469.91 is: 27,726.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,608.11 : 47,448.81 = 18,469.91 : x
  2. Step 2: Convert to fraction form
    31,608.11/47,448.81 = 18,469.91/x
  3. Step 3: Cross multiply
    31,608.11x = 47,448.81 × 18,469.91
  4. Step 4: Simplify right side
    31,608.11x = 876,375,013.06
  5. Step 5: Solve for x
    x = 876,375,013.06/31,608.11
  6. Step 6: Final answer
    x = 27,726.28

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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.