Home / 29,211.10-43,816.65-18,081.70

Finding the Fourth Proportional to 29,211.10, 43,816.65 and 18,081.70

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Solution

The fourth proportional to 29,211.10, 43,816.65 and 18,081.70 is: 27,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,211.10 : 43,816.65 = 18,081.70 : x
  2. Step 2: Convert to fraction form
    29,211.10/43,816.65 = 18,081.70/x
  3. Step 3: Cross multiply
    29,211.10x = 43,816.65 × 18,081.70
  4. Step 4: Simplify right side
    29,211.10x = 792,279,520.31
  5. Step 5: Solve for x
    x = 792,279,520.31/29,211.10
  6. Step 6: Final answer
    x = 27,122.55

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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.