Home / 41,478.58-62,173.85-20,388.88

Finding the Fourth Proportional to 41,478.58, 62,173.85 and 20,388.88

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Solution

The fourth proportional to 41,478.58, 62,173.85 and 20,388.88 is: 30,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,478.58 : 62,173.85 = 20,388.88 : x
  2. Step 2: Convert to fraction form
    41,478.58/62,173.85 = 20,388.88/x
  3. Step 3: Cross multiply
    41,478.58x = 62,173.85 × 20,388.88
  4. Step 4: Simplify right side
    41,478.58x = 1,267,654,855.92
  5. Step 5: Solve for x
    x = 1,267,654,855.92/41,478.58
  6. Step 6: Final answer
    x = 30,561.68

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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.