Home / 29,168.85-43,716.36-18,634.80

Finding the Fourth Proportional to 29,168.85, 43,716.36 and 18,634.80

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Solution

The fourth proportional to 29,168.85, 43,716.36 and 18,634.80 is: 27,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,168.85 : 43,716.36 = 18,634.80 : x
  2. Step 2: Convert to fraction form
    29,168.85/43,716.36 = 18,634.80/x
  3. Step 3: Cross multiply
    29,168.85x = 43,716.36 × 18,634.80
  4. Step 4: Simplify right side
    29,168.85x = 814,645,625.33
  5. Step 5: Solve for x
    x = 814,645,625.33/29,168.85
  6. Step 6: Final answer
    x = 27,928.62

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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.