Home / 51,474.26-71,031.18-28,809.44

Finding the Fourth Proportional to 51,474.26, 71,031.18 and 28,809.44

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Solution

The fourth proportional to 51,474.26, 71,031.18 and 28,809.44 is: 39,755.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,474.26 : 71,031.18 = 28,809.44 : x
  2. Step 2: Convert to fraction form
    51,474.26/71,031.18 = 28,809.44/x
  3. Step 3: Cross multiply
    51,474.26x = 71,031.18 × 28,809.44
  4. Step 4: Simplify right side
    51,474.26x = 2,046,368,163.18
  5. Step 5: Solve for x
    x = 2,046,368,163.18/51,474.26
  6. Step 6: Final answer
    x = 39,755.18

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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.