Home / 38,351.18-57,540.62-13,394.91

Finding the Fourth Proportional to 38,351.18, 57,540.62 and 13,394.91

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Solution

The fourth proportional to 38,351.18, 57,540.62 and 13,394.91 is: 20,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351.18 : 57,540.62 = 13,394.91 : x
  2. Step 2: Convert to fraction form
    38,351.18/57,540.62 = 13,394.91/x
  3. Step 3: Cross multiply
    38,351.18x = 57,540.62 × 13,394.91
  4. Step 4: Simplify right side
    38,351.18x = 770,751,359.27
  5. Step 5: Solve for x
    x = 770,751,359.27/38,351.18
  6. Step 6: Final answer
    x = 20,097.20

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1.5x scale

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.