Home / 38,003.93-57,018.19-18,279.91

Finding the Fourth Proportional to 38,003.93, 57,018.19 and 18,279.91

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Solution

The fourth proportional to 38,003.93, 57,018.19 and 18,279.91 is: 27,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,003.93 : 57,018.19 = 18,279.91 : x
  2. Step 2: Convert to fraction form
    38,003.93/57,018.19 = 18,279.91/x
  3. Step 3: Cross multiply
    38,003.93x = 57,018.19 × 18,279.91
  4. Step 4: Simplify right side
    38,003.93x = 1,042,287,381.56
  5. Step 5: Solve for x
    x = 1,042,287,381.56/38,003.93
  6. Step 6: Final answer
    x = 27,425.78

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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.