Home / 38,321.93-57,489.75-13,354.62

Finding the Fourth Proportional to 38,321.93, 57,489.75 and 13,354.62

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Solution

The fourth proportional to 38,321.93, 57,489.75 and 13,354.62 is: 20,034.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,321.93 : 57,489.75 = 13,354.62 : x
  2. Step 2: Convert to fraction form
    38,321.93/57,489.75 = 13,354.62/x
  3. Step 3: Cross multiply
    38,321.93x = 57,489.75 × 13,354.62
  4. Step 4: Simplify right side
    38,321.93x = 767,753,765.15
  5. Step 5: Solve for x
    x = 767,753,765.15/38,321.93
  6. Step 6: Final answer
    x = 20,034.32

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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.