Home / 41,029.92-61,520.26-18,815.46

Finding the Fourth Proportional to 41,029.92, 61,520.26 and 18,815.46

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Solution

The fourth proportional to 41,029.92, 61,520.26 and 18,815.46 is: 28,211.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,029.92 : 61,520.26 = 18,815.46 : x
  2. Step 2: Convert to fraction form
    41,029.92/61,520.26 = 18,815.46/x
  3. Step 3: Cross multiply
    41,029.92x = 61,520.26 × 18,815.46
  4. Step 4: Simplify right side
    41,029.92x = 1,157,531,991.22
  5. Step 5: Solve for x
    x = 1,157,531,991.22/41,029.92
  6. Step 6: Final answer
    x = 28,211.90

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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.