Home / 41,781.14-62,638.84-20,706.70

Finding the Fourth Proportional to 41,781.14, 62,638.84 and 20,706.70

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Solution

The fourth proportional to 41,781.14, 62,638.84 and 20,706.70 is: 31,043.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,781.14 : 62,638.84 = 20,706.70 : x
  2. Step 2: Convert to fraction form
    41,781.14/62,638.84 = 20,706.70/x
  3. Step 3: Cross multiply
    41,781.14x = 62,638.84 × 20,706.70
  4. Step 4: Simplify right side
    41,781.14x = 1,297,043,668.23
  5. Step 5: Solve for x
    x = 1,297,043,668.23/41,781.14
  6. Step 6: Final answer
    x = 31,043.76

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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.