Home / 34,355.72-51,517.29-13,305.62

Finding the Fourth Proportional to 34,355.72, 51,517.29 and 13,305.62

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Solution

The fourth proportional to 34,355.72, 51,517.29 and 13,305.62 is: 19,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,355.72 : 51,517.29 = 13,305.62 : x
  2. Step 2: Convert to fraction form
    34,355.72/51,517.29 = 13,305.62/x
  3. Step 3: Cross multiply
    34,355.72x = 51,517.29 × 13,305.62
  4. Step 4: Simplify right side
    34,355.72x = 685,469,335.65
  5. Step 5: Solve for x
    x = 685,469,335.65/34,355.72
  6. Step 6: Final answer
    x = 19,952.12

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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.