Home / 51,249.30-70,724.13-28,589.73

Finding the Fourth Proportional to 51,249.30, 70,724.13 and 28,589.73

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Solution

The fourth proportional to 51,249.30, 70,724.13 and 28,589.73 is: 39,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,249.30 : 70,724.13 = 28,589.73 : x
  2. Step 2: Convert to fraction form
    51,249.30/70,724.13 = 28,589.73/x
  3. Step 3: Cross multiply
    51,249.30x = 70,724.13 × 28,589.73
  4. Step 4: Simplify right side
    51,249.30x = 2,021,983,781.18
  5. Step 5: Solve for x
    x = 2,021,983,781.18/51,249.30
  6. Step 6: Final answer
    x = 39,453.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.