Home / 29,081.13-43,629.21-12,205.08

Finding the Fourth Proportional to 29,081.13, 43,629.21 and 12,205.08

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Solution

The fourth proportional to 29,081.13, 43,629.21 and 12,205.08 is: 18,310.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,081.13 : 43,629.21 = 12,205.08 : x
  2. Step 2: Convert to fraction form
    29,081.13/43,629.21 = 12,205.08/x
  3. Step 3: Cross multiply
    29,081.13x = 43,629.21 × 12,205.08
  4. Step 4: Simplify right side
    29,081.13x = 532,497,998.39
  5. Step 5: Solve for x
    x = 532,497,998.39/29,081.13
  6. Step 6: Final answer
    x = 18,310.77

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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.