Home / 38,587.62-53,251.92-21,591.30

Finding the Fourth Proportional to 38,587.62, 53,251.92 and 21,591.30

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Solution

The fourth proportional to 38,587.62, 53,251.92 and 21,591.30 is: 29,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,587.62 : 53,251.92 = 21,591.30 : x
  2. Step 2: Convert to fraction form
    38,587.62/53,251.92 = 21,591.30/x
  3. Step 3: Cross multiply
    38,587.62x = 53,251.92 × 21,591.30
  4. Step 4: Simplify right side
    38,587.62x = 1,149,778,180.30
  5. Step 5: Solve for x
    x = 1,149,778,180.30/38,587.62
  6. Step 6: Final answer
    x = 29,796.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.