Home / 38,446.96-57,620.20-19,711.12

Finding the Fourth Proportional to 38,446.96, 57,620.20 and 19,711.12

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Solution

The fourth proportional to 38,446.96, 57,620.20 and 19,711.12 is: 29,540.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,446.96 : 57,620.20 = 19,711.12 : x
  2. Step 2: Convert to fraction form
    38,446.96/57,620.20 = 19,711.12/x
  3. Step 3: Cross multiply
    38,446.96x = 57,620.20 × 19,711.12
  4. Step 4: Simplify right side
    38,446.96x = 1,135,758,676.62
  5. Step 5: Solve for x
    x = 1,135,758,676.62/38,446.96
  6. Step 6: Final answer
    x = 29,540.92

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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.