Home / 41,029.66-61,519.87-18,815.21

Finding the Fourth Proportional to 41,029.66, 61,519.87 and 18,815.21

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Solution

The fourth proportional to 41,029.66, 61,519.87 and 18,815.21 is: 28,211.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,029.66 : 61,519.87 = 18,815.21 : x
  2. Step 2: Convert to fraction form
    41,029.66/61,519.87 = 18,815.21/x
  3. Step 3: Cross multiply
    41,029.66x = 61,519.87 × 18,815.21
  4. Step 4: Simplify right side
    41,029.66x = 1,157,509,273.22
  5. Step 5: Solve for x
    x = 1,157,509,273.22/41,029.66
  6. Step 6: Final answer
    x = 28,211.52

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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.