Home / 45,414.40-68,132.52-14,249.65

Finding the Fourth Proportional to 45,414.40, 68,132.52 and 14,249.65

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Solution

The fourth proportional to 45,414.40, 68,132.52 and 14,249.65 is: 21,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,414.40 : 68,132.52 = 14,249.65 : x
  2. Step 2: Convert to fraction form
    45,414.40/68,132.52 = 14,249.65/x
  3. Step 3: Cross multiply
    45,414.40x = 68,132.52 × 14,249.65
  4. Step 4: Simplify right side
    45,414.40x = 970,864,563.62
  5. Step 5: Solve for x
    x = 970,864,563.62/45,414.40
  6. Step 6: Final answer
    x = 21,377.90

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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.