Home / 38,217.44-57,305.11-20,468.90

Finding the Fourth Proportional to 38,217.44, 57,305.11 and 20,468.90

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Solution

The fourth proportional to 38,217.44, 57,305.11 and 20,468.90 is: 30,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,217.44 : 57,305.11 = 20,468.90 : x
  2. Step 2: Convert to fraction form
    38,217.44/57,305.11 = 20,468.90/x
  3. Step 3: Cross multiply
    38,217.44x = 57,305.11 × 20,468.90
  4. Step 4: Simplify right side
    38,217.44x = 1,172,972,566.08
  5. Step 5: Solve for x
    x = 1,172,972,566.08/38,217.44
  6. Step 6: Final answer
    x = 30,692.08

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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.