Home / 53,759.26-80,650.98-18,218.56

Finding the Fourth Proportional to 53,759.26, 80,650.98 and 18,218.56

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Solution

The fourth proportional to 53,759.26, 80,650.98 and 18,218.56 is: 27,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,759.26 : 80,650.98 = 18,218.56 : x
  2. Step 2: Convert to fraction form
    53,759.26/80,650.98 = 18,218.56/x
  3. Step 3: Cross multiply
    53,759.26x = 80,650.98 × 18,218.56
  4. Step 4: Simplify right side
    53,759.26x = 1,469,344,718.19
  5. Step 5: Solve for x
    x = 1,469,344,718.19/53,759.26
  6. Step 6: Final answer
    x = 27,331.94

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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.