Home / 33,234.05-49,874.16-13,512.62

Finding the Fourth Proportional to 33,234.05, 49,874.16 and 13,512.62

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Solution

The fourth proportional to 33,234.05, 49,874.16 and 13,512.62 is: 20,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,234.05 : 49,874.16 = 13,512.62 : x
  2. Step 2: Convert to fraction form
    33,234.05/49,874.16 = 13,512.62/x
  3. Step 3: Cross multiply
    33,234.05x = 49,874.16 × 13,512.62
  4. Step 4: Simplify right side
    33,234.05x = 673,930,633.24
  5. Step 5: Solve for x
    x = 673,930,633.24/33,234.05
  6. Step 6: Final answer
    x = 20,278.32

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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.