Home / 34,324.46-51,447.15-13,255.21

Finding the Fourth Proportional to 34,324.46, 51,447.15 and 13,255.21

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Solution

The fourth proportional to 34,324.46, 51,447.15 and 13,255.21 is: 19,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,324.46 : 51,447.15 = 13,255.21 : x
  2. Step 2: Convert to fraction form
    34,324.46/51,447.15 = 13,255.21/x
  3. Step 3: Cross multiply
    34,324.46x = 51,447.15 × 13,255.21
  4. Step 4: Simplify right side
    34,324.46x = 681,942,841.46
  5. Step 5: Solve for x
    x = 681,942,841.46/34,324.46
  6. Step 6: Final answer
    x = 19,867.55

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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.