Home / 87,954.80-131,930.37-21,395.27

Finding the Fourth Proportional to 87,954.80, 131,930.37 and 21,395.27

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Solution

The fourth proportional to 87,954.80, 131,930.37 and 21,395.27 is: 32,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,954.80 : 131,930.37 = 21,395.27 : x
  2. Step 2: Convert to fraction form
    87,954.80/131,930.37 = 21,395.27/x
  3. Step 3: Cross multiply
    87,954.80x = 131,930.37 × 21,395.27
  4. Step 4: Simplify right side
    87,954.80x = 2,822,686,217.18
  5. Step 5: Solve for x
    x = 2,822,686,217.18/87,954.80
  6. Step 6: Final answer
    x = 32,092.47

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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.