Home / 38,648.56-57,984.40-22,221.04

Finding the Fourth Proportional to 38,648.56, 57,984.40 and 22,221.04

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Solution

The fourth proportional to 38,648.56, 57,984.40 and 22,221.04 is: 33,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,648.56 : 57,984.40 = 22,221.04 : x
  2. Step 2: Convert to fraction form
    38,648.56/57,984.40 = 22,221.04/x
  3. Step 3: Cross multiply
    38,648.56x = 57,984.40 × 22,221.04
  4. Step 4: Simplify right side
    38,648.56x = 1,288,473,671.78
  5. Step 5: Solve for x
    x = 1,288,473,671.78/38,648.56
  6. Step 6: Final answer
    x = 33,338.21

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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.