Home / 71,734.16-107,600.52-18,425.84

Finding the Fourth Proportional to 71,734.16, 107,600.52 and 18,425.84

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Solution

The fourth proportional to 71,734.16, 107,600.52 and 18,425.84 is: 27,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,734.16 : 107,600.52 = 18,425.84 : x
  2. Step 2: Convert to fraction form
    71,734.16/107,600.52 = 18,425.84/x
  3. Step 3: Cross multiply
    71,734.16x = 107,600.52 × 18,425.84
  4. Step 4: Simplify right side
    71,734.16x = 1,982,629,965.44
  5. Step 5: Solve for x
    x = 1,982,629,965.44/71,734.16
  6. Step 6: Final answer
    x = 27,638.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.