Home / 38,664.92-57,980.97-13,711.25

Finding the Fourth Proportional to 38,664.92, 57,980.97 and 13,711.25

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Solution

The fourth proportional to 38,664.92, 57,980.97 and 13,711.25 is: 20,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,664.92 : 57,980.97 = 13,711.25 : x
  2. Step 2: Convert to fraction form
    38,664.92/57,980.97 = 13,711.25/x
  3. Step 3: Cross multiply
    38,664.92x = 57,980.97 × 13,711.25
  4. Step 4: Simplify right side
    38,664.92x = 794,991,719.86
  5. Step 5: Solve for x
    x = 794,991,719.86/38,664.92
  6. Step 6: Final answer
    x = 20,561.06

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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.