Home / 51,531.31-71,097.06-28,867.24

Finding the Fourth Proportional to 51,531.31, 71,097.06 and 28,867.24

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Solution

The fourth proportional to 51,531.31, 71,097.06 and 28,867.24 is: 39,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,531.31 : 71,097.06 = 28,867.24 : x
  2. Step 2: Convert to fraction form
    51,531.31/71,097.06 = 28,867.24/x
  3. Step 3: Cross multiply
    51,531.31x = 71,097.06 × 28,867.24
  4. Step 4: Simplify right side
    51,531.31x = 2,052,375,716.57
  5. Step 5: Solve for x
    x = 2,052,375,716.57/51,531.31
  6. Step 6: Final answer
    x = 39,827.74

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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.