Home / 43,998.30-65,997.45-28,251.90

Finding the Fourth Proportional to 43,998.30, 65,997.45 and 28,251.90

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Solution

The fourth proportional to 43,998.30, 65,997.45 and 28,251.90 is: 42,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,998.30 : 65,997.45 = 28,251.90 : x
  2. Step 2: Convert to fraction form
    43,998.30/65,997.45 = 28,251.90/x
  3. Step 3: Cross multiply
    43,998.30x = 65,997.45 × 28,251.90
  4. Step 4: Simplify right side
    43,998.30x = 1,864,553,357.66
  5. Step 5: Solve for x
    x = 1,864,553,357.66/43,998.30
  6. Step 6: Final answer
    x = 42,377.85

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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.