Home / 36,638.82-54,919.92-16,930.32

Finding the Fourth Proportional to 36,638.82, 54,919.92 and 16,930.32

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Solution

The fourth proportional to 36,638.82, 54,919.92 and 16,930.32 is: 25,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,638.82 : 54,919.92 = 16,930.32 : x
  2. Step 2: Convert to fraction form
    36,638.82/54,919.92 = 16,930.32/x
  3. Step 3: Cross multiply
    36,638.82x = 54,919.92 × 16,930.32
  4. Step 4: Simplify right side
    36,638.82x = 929,811,819.97
  5. Step 5: Solve for x
    x = 929,811,819.97/36,638.82
  6. Step 6: Final answer
    x = 25,377.78

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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.