Home / 34,086.33-51,144.37-11,915.61

Finding the Fourth Proportional to 34,086.33, 51,144.37 and 11,915.61

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Solution

The fourth proportional to 34,086.33, 51,144.37 and 11,915.61 is: 17,878.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,086.33 : 51,144.37 = 11,915.61 : x
  2. Step 2: Convert to fraction form
    34,086.33/51,144.37 = 11,915.61/x
  3. Step 3: Cross multiply
    34,086.33x = 51,144.37 × 11,915.61
  4. Step 4: Simplify right side
    34,086.33x = 609,416,366.62
  5. Step 5: Solve for x
    x = 609,416,366.62/34,086.33
  6. Step 6: Final answer
    x = 17,878.61

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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.