Home / 71,613.12-107,419.72-27,229.62

Finding the Fourth Proportional to 71,613.12, 107,419.72 and 27,229.62

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Solution

The fourth proportional to 71,613.12, 107,419.72 and 27,229.62 is: 40,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,613.12 : 107,419.72 = 27,229.62 : x
  2. Step 2: Convert to fraction form
    71,613.12/107,419.72 = 27,229.62/x
  3. Step 3: Cross multiply
    71,613.12x = 107,419.72 × 27,229.62
  4. Step 4: Simplify right side
    71,613.12x = 2,924,998,156.11
  5. Step 5: Solve for x
    x = 2,924,998,156.11/71,613.12
  6. Step 6: Final answer
    x = 40,844.45

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1.5x scale

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.