Home / 51,792.05-71,479.13-29,131.90

Finding the Fourth Proportional to 51,792.05, 71,479.13 and 29,131.90

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Solution

The fourth proportional to 51,792.05, 71,479.13 and 29,131.90 is: 40,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,792.05 : 71,479.13 = 29,131.90 : x
  2. Step 2: Convert to fraction form
    51,792.05/71,479.13 = 29,131.90/x
  3. Step 3: Cross multiply
    51,792.05x = 71,479.13 × 29,131.90
  4. Step 4: Simplify right side
    51,792.05x = 2,082,322,761.38
  5. Step 5: Solve for x
    x = 2,082,322,761.38/51,792.05
  6. Step 6: Final answer
    x = 40,205.45

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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.