Home / 41,137.80-61,657.24-18,920.56

Finding the Fourth Proportional to 41,137.80, 61,657.24 and 18,920.56

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Solution

The fourth proportional to 41,137.80, 61,657.24 and 18,920.56 is: 28,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,137.80 : 61,657.24 = 18,920.56 : x
  2. Step 2: Convert to fraction form
    41,137.80/61,657.24 = 18,920.56/x
  3. Step 3: Cross multiply
    41,137.80x = 61,657.24 × 18,920.56
  4. Step 4: Simplify right side
    41,137.80x = 1,166,589,508.85
  5. Step 5: Solve for x
    x = 1,166,589,508.85/41,137.80
  6. Step 6: Final answer
    x = 28,358.09

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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.