Home / 38,107.74-57,149.49-35,620.05

Finding the Fourth Proportional to 38,107.74, 57,149.49 and 35,620.05

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Solution

The fourth proportional to 38,107.74, 57,149.49 and 35,620.05 is: 53,418.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,107.74 : 57,149.49 = 35,620.05 : x
  2. Step 2: Convert to fraction form
    38,107.74/57,149.49 = 35,620.05/x
  3. Step 3: Cross multiply
    38,107.74x = 57,149.49 × 35,620.05
  4. Step 4: Simplify right side
    38,107.74x = 2,035,667,691.27
  5. Step 5: Solve for x
    x = 2,035,667,691.27/38,107.74
  6. Step 6: Final answer
    x = 53,418.75

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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.