Home / 51,769.20-71,442.32-29,112.96

Finding the Fourth Proportional to 51,769.20, 71,442.32 and 29,112.96

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Solution

The fourth proportional to 51,769.20, 71,442.32 and 29,112.96 is: 40,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,769.20 : 71,442.32 = 29,112.96 : x
  2. Step 2: Convert to fraction form
    51,769.20/71,442.32 = 29,112.96/x
  3. Step 3: Cross multiply
    51,769.20x = 71,442.32 × 29,112.96
  4. Step 4: Simplify right side
    51,769.20x = 2,079,897,404.47
  5. Step 5: Solve for x
    x = 2,079,897,404.47/51,769.20
  6. Step 6: Final answer
    x = 40,176.35

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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.