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Finding the Fourth Proportional to 61,170.24, 91,751.24 and 16,793.30

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Solution

The fourth proportional to 61,170.24, 91,751.24 and 16,793.30 is: 25,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,170.24 : 91,751.24 = 16,793.30 : x
  2. Step 2: Convert to fraction form
    61,170.24/91,751.24 = 16,793.30/x
  3. Step 3: Cross multiply
    61,170.24x = 91,751.24 × 16,793.30
  4. Step 4: Simplify right side
    61,170.24x = 1,540,806,098.69
  5. Step 5: Solve for x
    x = 1,540,806,098.69/61,170.24
  6. Step 6: Final answer
    x = 25,188.82

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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.