Home / 38,198.97-57,263.82-20,648.30

Finding the Fourth Proportional to 38,198.97, 57,263.82 and 20,648.30

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Solution

The fourth proportional to 38,198.97, 57,263.82 and 20,648.30 is: 30,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,198.97 : 57,263.82 = 20,648.30 : x
  2. Step 2: Convert to fraction form
    38,198.97/57,263.82 = 20,648.30/x
  3. Step 3: Cross multiply
    38,198.97x = 57,263.82 × 20,648.30
  4. Step 4: Simplify right side
    38,198.97x = 1,182,400,248.19
  5. Step 5: Solve for x
    x = 1,182,400,248.19/38,198.97
  6. Step 6: Final answer
    x = 30,953.72

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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.