Home / 38,700.80-57,974.40-22,265.60

Finding the Fourth Proportional to 38,700.80, 57,974.40 and 22,265.60

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Solution

The fourth proportional to 38,700.80, 57,974.40 and 22,265.60 is: 33,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,700.80 : 57,974.40 = 22,265.60 : x
  2. Step 2: Convert to fraction form
    38,700.80/57,974.40 = 22,265.60/x
  3. Step 3: Cross multiply
    38,700.80x = 57,974.40 × 22,265.60
  4. Step 4: Simplify right side
    38,700.80x = 1,290,834,800.64
  5. Step 5: Solve for x
    x = 1,290,834,800.64/38,700.80
  6. Step 6: Final answer
    x = 33,354.21

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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.