Home / 38,162.91-57,249.44-14,143.89

Finding the Fourth Proportional to 38,162.91, 57,249.44 and 14,143.89

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Solution

The fourth proportional to 38,162.91, 57,249.44 and 14,143.89 is: 21,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,162.91 : 57,249.44 = 14,143.89 : x
  2. Step 2: Convert to fraction form
    38,162.91/57,249.44 = 14,143.89/x
  3. Step 3: Cross multiply
    38,162.91x = 57,249.44 × 14,143.89
  4. Step 4: Simplify right side
    38,162.91x = 809,729,781.92
  5. Step 5: Solve for x
    x = 809,729,781.92/38,162.91
  6. Step 6: Final answer
    x = 21,217.72

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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.