Home / 34,155.18-51,255.92-11,968.88

Finding the Fourth Proportional to 34,155.18, 51,255.92 and 11,968.88

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Solution

The fourth proportional to 34,155.18, 51,255.92 and 11,968.88 is: 17,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,155.18 : 51,255.92 = 11,968.88 : x
  2. Step 2: Convert to fraction form
    34,155.18/51,255.92 = 11,968.88/x
  3. Step 3: Cross multiply
    34,155.18x = 51,255.92 × 11,968.88
  4. Step 4: Simplify right side
    34,155.18x = 613,475,729.41
  5. Step 5: Solve for x
    x = 613,475,729.41/34,155.18
  6. Step 6: Final answer
    x = 17,961.43

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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.