Home / 20,626.80-30,940.68-5,044.56

Finding the Fourth Proportional to 20,626.80, 30,940.68 and 5,044.56

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Solution

The fourth proportional to 20,626.80, 30,940.68 and 5,044.56 is: 7,566.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.80 : 30,940.68 = 5,044.56 : x
  2. Step 2: Convert to fraction form
    20,626.80/30,940.68 = 5,044.56/x
  3. Step 3: Cross multiply
    20,626.80x = 30,940.68 × 5,044.56
  4. Step 4: Simplify right side
    20,626.80x = 156,082,116.70
  5. Step 5: Solve for x
    x = 156,082,116.70/20,626.80
  6. Step 6: Final answer
    x = 7,566.96

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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.