Home / 38,560.81-57,854.33-20,793.19

Finding the Fourth Proportional to 38,560.81, 57,854.33 and 20,793.19

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Solution

The fourth proportional to 38,560.81, 57,854.33 and 20,793.19 is: 31,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,560.81 : 57,854.33 = 20,793.19 : x
  2. Step 2: Convert to fraction form
    38,560.81/57,854.33 = 20,793.19/x
  3. Step 3: Cross multiply
    38,560.81x = 57,854.33 × 20,793.19
  4. Step 4: Simplify right side
    38,560.81x = 1,202,976,130.82
  5. Step 5: Solve for x
    x = 1,202,976,130.82/38,560.81
  6. Step 6: Final answer
    x = 31,196.86

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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.