Home / 41,031.20-61,522.20-18,816.75

Finding the Fourth Proportional to 41,031.20, 61,522.20 and 18,816.75

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Solution

The fourth proportional to 41,031.20, 61,522.20 and 18,816.75 is: 28,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,031.20 : 61,522.20 = 18,816.75 : x
  2. Step 2: Convert to fraction form
    41,031.20/61,522.20 = 18,816.75/x
  3. Step 3: Cross multiply
    41,031.20x = 61,522.20 × 18,816.75
  4. Step 4: Simplify right side
    41,031.20x = 1,157,647,856.85
  5. Step 5: Solve for x
    x = 1,157,647,856.85/41,031.20
  6. Step 6: Final answer
    x = 28,213.84

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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.