Home / 38,456.39-57,684.33-20,695.41

Finding the Fourth Proportional to 38,456.39, 57,684.33 and 20,695.41

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Solution

The fourth proportional to 38,456.39, 57,684.33 and 20,695.41 is: 31,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,456.39 : 57,684.33 = 20,695.41 : x
  2. Step 2: Convert to fraction form
    38,456.39/57,684.33 = 20,695.41/x
  3. Step 3: Cross multiply
    38,456.39x = 57,684.33 × 20,695.41
  4. Step 4: Simplify right side
    38,456.39x = 1,193,800,566.00
  5. Step 5: Solve for x
    x = 1,193,800,566.00/38,456.39
  6. Step 6: Final answer
    x = 31,042.97

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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.