Home / 51,535.82-71,115.22-28,872.97

Finding the Fourth Proportional to 51,535.82, 71,115.22 and 28,872.97

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Solution

The fourth proportional to 51,535.82, 71,115.22 and 28,872.97 is: 39,842.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,535.82 : 71,115.22 = 28,872.97 : x
  2. Step 2: Convert to fraction form
    51,535.82/71,115.22 = 28,872.97/x
  3. Step 3: Cross multiply
    51,535.82x = 71,115.22 × 28,872.97
  4. Step 4: Simplify right side
    51,535.82x = 2,053,307,613.60
  5. Step 5: Solve for x
    x = 2,053,307,613.60/51,535.82
  6. Step 6: Final answer
    x = 39,842.34

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1.5x scale

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.