Home / 34,257.71-51,386.60-12,072.82

Finding the Fourth Proportional to 34,257.71, 51,386.60 and 12,072.82

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Solution

The fourth proportional to 34,257.71, 51,386.60 and 12,072.82 is: 18,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,257.71 : 51,386.60 = 12,072.82 : x
  2. Step 2: Convert to fraction form
    34,257.71/51,386.60 = 12,072.82/x
  3. Step 3: Cross multiply
    34,257.71x = 51,386.60 × 12,072.82
  4. Step 4: Simplify right side
    34,257.71x = 620,380,972.97
  5. Step 5: Solve for x
    x = 620,380,972.97/34,257.71
  6. Step 6: Final answer
    x = 18,109.24

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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.