Home / 34,363.86-51,551.39-12,172.42

Finding the Fourth Proportional to 34,363.86, 51,551.39 and 12,172.42

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Solution

The fourth proportional to 34,363.86, 51,551.39 and 12,172.42 is: 18,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,363.86 : 51,551.39 = 12,172.42 : x
  2. Step 2: Convert to fraction form
    34,363.86/51,551.39 = 12,172.42/x
  3. Step 3: Cross multiply
    34,363.86x = 51,551.39 × 12,172.42
  4. Step 4: Simplify right side
    34,363.86x = 627,505,170.66
  5. Step 5: Solve for x
    x = 627,505,170.66/34,363.86
  6. Step 6: Final answer
    x = 18,260.61

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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.