Home / 71,524.32-107,244.64-21,589.44

Finding the Fourth Proportional to 71,524.32, 107,244.64 and 21,589.44

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Solution

The fourth proportional to 71,524.32, 107,244.64 and 21,589.44 is: 32,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,524.32 : 107,244.64 = 21,589.44 : x
  2. Step 2: Convert to fraction form
    71,524.32/107,244.64 = 21,589.44/x
  3. Step 3: Cross multiply
    71,524.32x = 107,244.64 × 21,589.44
  4. Step 4: Simplify right side
    71,524.32x = 2,315,351,720.60
  5. Step 5: Solve for x
    x = 2,315,351,720.60/71,524.32
  6. Step 6: Final answer
    x = 32,371.53

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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.