Home / 29,199.75-43,827.30-18,072.78

Finding the Fourth Proportional to 29,199.75, 43,827.30 and 18,072.78

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Solution

The fourth proportional to 29,199.75, 43,827.30 and 18,072.78 is: 27,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,199.75 : 43,827.30 = 18,072.78 : x
  2. Step 2: Convert to fraction form
    29,199.75/43,827.30 = 18,072.78/x
  3. Step 3: Cross multiply
    29,199.75x = 43,827.30 × 18,072.78
  4. Step 4: Simplify right side
    29,199.75x = 792,081,150.89
  5. Step 5: Solve for x
    x = 792,081,150.89/29,199.75
  6. Step 6: Final answer
    x = 27,126.30

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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.