Home / 38,481.69-57,731.19-13,523.46

Finding the Fourth Proportional to 38,481.69, 57,731.19 and 13,523.46

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Solution

The fourth proportional to 38,481.69, 57,731.19 and 13,523.46 is: 20,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481.69 : 57,731.19 = 13,523.46 : x
  2. Step 2: Convert to fraction form
    38,481.69/57,731.19 = 13,523.46/x
  3. Step 3: Cross multiply
    38,481.69x = 57,731.19 × 13,523.46
  4. Step 4: Simplify right side
    38,481.69x = 780,725,438.72
  5. Step 5: Solve for x
    x = 780,725,438.72/38,481.69
  6. Step 6: Final answer
    x = 20,288.23

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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.