Home / 47,581.19-71,372.94-15,991.71

Finding the Fourth Proportional to 47,581.19, 71,372.94 and 15,991.71

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Solution

The fourth proportional to 47,581.19, 71,372.94 and 15,991.71 is: 23,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,581.19 : 71,372.94 = 15,991.71 : x
  2. Step 2: Convert to fraction form
    47,581.19/71,372.94 = 15,991.71/x
  3. Step 3: Cross multiply
    47,581.19x = 71,372.94 × 15,991.71
  4. Step 4: Simplify right side
    47,581.19x = 1,141,375,358.33
  5. Step 5: Solve for x
    x = 1,141,375,358.33/47,581.19
  6. Step 6: Final answer
    x = 23,987.95

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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.