Home / 38,358.18-57,537.45-13,398.12

Finding the Fourth Proportional to 38,358.18, 57,537.45 and 13,398.12

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Solution

The fourth proportional to 38,358.18, 57,537.45 and 13,398.12 is: 20,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358.18 : 57,537.45 = 13,398.12 : x
  2. Step 2: Convert to fraction form
    38,358.18/57,537.45 = 13,398.12/x
  3. Step 3: Cross multiply
    38,358.18x = 57,537.45 × 13,398.12
  4. Step 4: Simplify right side
    38,358.18x = 770,893,659.59
  5. Step 5: Solve for x
    x = 770,893,659.59/38,358.18
  6. Step 6: Final answer
    x = 20,097.24

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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.