Home / 40,452.33-60,668.77-20,720.73

Finding the Fourth Proportional to 40,452.33, 60,668.77 and 20,720.73

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Solution

The fourth proportional to 40,452.33, 60,668.77 and 20,720.73 is: 31,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,452.33 : 60,668.77 = 20,720.73 : x
  2. Step 2: Convert to fraction form
    40,452.33/60,668.77 = 20,720.73/x
  3. Step 3: Cross multiply
    40,452.33x = 60,668.77 × 20,720.73
  4. Step 4: Simplify right side
    40,452.33x = 1,257,101,202.60
  5. Step 5: Solve for x
    x = 1,257,101,202.60/40,452.33
  6. Step 6: Final answer
    x = 31,076.11

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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.