Home / 38,353.38-57,446.78-18,590.46

Finding the Fourth Proportional to 38,353.38, 57,446.78 and 18,590.46

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Solution

The fourth proportional to 38,353.38, 57,446.78 and 18,590.46 is: 27,845.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,353.38 : 57,446.78 = 18,590.46 : x
  2. Step 2: Convert to fraction form
    38,353.38/57,446.78 = 18,590.46/x
  3. Step 3: Cross multiply
    38,353.38x = 57,446.78 × 18,590.46
  4. Step 4: Simplify right side
    38,353.38x = 1,067,961,972.77
  5. Step 5: Solve for x
    x = 1,067,961,972.77/38,353.38
  6. Step 6: Final answer
    x = 27,845.32

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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.