Home / 34,329.61-51,517.50-12,142.90

Finding the Fourth Proportional to 34,329.61, 51,517.50 and 12,142.90

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Solution

The fourth proportional to 34,329.61, 51,517.50 and 12,142.90 is: 18,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,329.61 : 51,517.50 = 12,142.90 : x
  2. Step 2: Convert to fraction form
    34,329.61/51,517.50 = 12,142.90/x
  3. Step 3: Cross multiply
    34,329.61x = 51,517.50 × 12,142.90
  4. Step 4: Simplify right side
    34,329.61x = 625,571,850.75
  5. Step 5: Solve for x
    x = 625,571,850.75/34,329.61
  6. Step 6: Final answer
    x = 18,222.52

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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.