Home / 53,403.13-80,122.22-21,839.73

Finding the Fourth Proportional to 53,403.13, 80,122.22 and 21,839.73

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Solution

The fourth proportional to 53,403.13, 80,122.22 and 21,839.73 is: 32,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,403.13 : 80,122.22 = 21,839.73 : x
  2. Step 2: Convert to fraction form
    53,403.13/80,122.22 = 21,839.73/x
  3. Step 3: Cross multiply
    53,403.13x = 80,122.22 × 21,839.73
  4. Step 4: Simplify right side
    53,403.13x = 1,749,847,651.80
  5. Step 5: Solve for x
    x = 1,749,847,651.80/53,403.13
  6. Step 6: Final answer
    x = 32,766.77

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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.