Home / 71,375.05-107,041.24-21,441.79

Finding the Fourth Proportional to 71,375.05, 107,041.24 and 21,441.79

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Solution

The fourth proportional to 71,375.05, 107,041.24 and 21,441.79 is: 32,156.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,375.05 : 107,041.24 = 21,441.79 : x
  2. Step 2: Convert to fraction form
    71,375.05/107,041.24 = 21,441.79/x
  3. Step 3: Cross multiply
    71,375.05x = 107,041.24 × 21,441.79
  4. Step 4: Simplify right side
    71,375.05x = 2,295,155,789.42
  5. Step 5: Solve for x
    x = 2,295,155,789.42/71,375.05
  6. Step 6: Final answer
    x = 32,156.28

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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.