Home / 65,540.80-98,293.24-18,144.55

Finding the Fourth Proportional to 65,540.80, 98,293.24 and 18,144.55

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Solution

The fourth proportional to 65,540.80, 98,293.24 and 18,144.55 is: 27,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,540.80 : 98,293.24 = 18,144.55 : x
  2. Step 2: Convert to fraction form
    65,540.80/98,293.24 = 18,144.55/x
  3. Step 3: Cross multiply
    65,540.80x = 98,293.24 × 18,144.55
  4. Step 4: Simplify right side
    65,540.80x = 1,783,486,607.84
  5. Step 5: Solve for x
    x = 1,783,486,607.84/65,540.80
  6. Step 6: Final answer
    x = 27,211.85

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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.