Home / 38,221.97-57,266.94-20,704.10

Finding the Fourth Proportional to 38,221.97, 57,266.94 and 20,704.10

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Solution

The fourth proportional to 38,221.97, 57,266.94 and 20,704.10 is: 31,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221.97 : 57,266.94 = 20,704.10 : x
  2. Step 2: Convert to fraction form
    38,221.97/57,266.94 = 20,704.10/x
  3. Step 3: Cross multiply
    38,221.97x = 57,266.94 × 20,704.10
  4. Step 4: Simplify right side
    38,221.97x = 1,185,660,452.45
  5. Step 5: Solve for x
    x = 1,185,660,452.45/38,221.97
  6. Step 6: Final answer
    x = 31,020.39

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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.