Home / 38,198.80-57,314.40-18,467.20

Finding the Fourth Proportional to 38,198.80, 57,314.40 and 18,467.20

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Solution

The fourth proportional to 38,198.80, 57,314.40 and 18,467.20 is: 27,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,198.80 : 57,314.40 = 18,467.20 : x
  2. Step 2: Convert to fraction form
    38,198.80/57,314.40 = 18,467.20/x
  3. Step 3: Cross multiply
    38,198.80x = 57,314.40 × 18,467.20
  4. Step 4: Simplify right side
    38,198.80x = 1,058,436,487.68
  5. Step 5: Solve for x
    x = 1,058,436,487.68/38,198.80
  6. Step 6: Final answer
    x = 27,708.63

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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.