Home / 29,891.12-44,843.40-9,116.72

Finding the Fourth Proportional to 29,891.12, 44,843.40 and 9,116.72

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Solution

The fourth proportional to 29,891.12, 44,843.40 and 9,116.72 is: 13,677.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,891.12 : 44,843.40 = 9,116.72 : x
  2. Step 2: Convert to fraction form
    29,891.12/44,843.40 = 9,116.72/x
  3. Step 3: Cross multiply
    29,891.12x = 44,843.40 × 9,116.72
  4. Step 4: Simplify right side
    29,891.12x = 408,824,721.65
  5. Step 5: Solve for x
    x = 408,824,721.65/29,891.12
  6. Step 6: Final answer
    x = 13,677.13

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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.