Home / 38,058.60-57,139.20-22,279.80

Finding the Fourth Proportional to 38,058.60, 57,139.20 and 22,279.80

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Solution

The fourth proportional to 38,058.60, 57,139.20 and 22,279.80 is: 33,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,058.60 : 57,139.20 = 22,279.80 : x
  2. Step 2: Convert to fraction form
    38,058.60/57,139.20 = 22,279.80/x
  3. Step 3: Cross multiply
    38,058.60x = 57,139.20 × 22,279.80
  4. Step 4: Simplify right side
    38,058.60x = 1,273,049,948.16
  5. Step 5: Solve for x
    x = 1,273,049,948.16/38,058.60
  6. Step 6: Final answer
    x = 33,449.73

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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.