Home / 38,520.36-57,780.54-15,149.16

Finding the Fourth Proportional to 38,520.36, 57,780.54 and 15,149.16

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Solution

The fourth proportional to 38,520.36, 57,780.54 and 15,149.16 is: 22,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,520.36 : 57,780.54 = 15,149.16 : x
  2. Step 2: Convert to fraction form
    38,520.36/57,780.54 = 15,149.16/x
  3. Step 3: Cross multiply
    38,520.36x = 57,780.54 × 15,149.16
  4. Step 4: Simplify right side
    38,520.36x = 875,326,645.35
  5. Step 5: Solve for x
    x = 875,326,645.35/38,520.36
  6. Step 6: Final answer
    x = 22,723.74

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Similar ratio
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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.