Home / 51,815.41-71,500.16-29,153.90

Finding the Fourth Proportional to 51,815.41, 71,500.16 and 29,153.90

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Solution

The fourth proportional to 51,815.41, 71,500.16 and 29,153.90 is: 40,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,815.41 : 71,500.16 = 29,153.90 : x
  2. Step 2: Convert to fraction form
    51,815.41/71,500.16 = 29,153.90/x
  3. Step 3: Cross multiply
    51,815.41x = 71,500.16 × 29,153.90
  4. Step 4: Simplify right side
    51,815.41x = 2,084,508,514.62
  5. Step 5: Solve for x
    x = 2,084,508,514.62/51,815.41
  6. Step 6: Final answer
    x = 40,229.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.