Home / 51,731.80-71,384.56-29,067.19

Finding the Fourth Proportional to 51,731.80, 71,384.56 and 29,067.19

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Solution

The fourth proportional to 51,731.80, 71,384.56 and 29,067.19 is: 40,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,731.80 : 71,384.56 = 29,067.19 : x
  2. Step 2: Convert to fraction form
    51,731.80/71,384.56 = 29,067.19/x
  3. Step 3: Cross multiply
    51,731.80x = 71,384.56 × 29,067.19
  4. Step 4: Simplify right side
    51,731.80x = 2,074,948,568.59
  5. Step 5: Solve for x
    x = 2,074,948,568.59/51,731.80
  6. Step 6: Final answer
    x = 40,109.73

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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.