Home / 40,694.22-61,072.56-18,211.86

Finding the Fourth Proportional to 40,694.22, 61,072.56 and 18,211.86

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Solution

The fourth proportional to 40,694.22, 61,072.56 and 18,211.86 is: 27,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,694.22 : 61,072.56 = 18,211.86 : x
  2. Step 2: Convert to fraction form
    40,694.22/61,072.56 = 18,211.86/x
  3. Step 3: Cross multiply
    40,694.22x = 61,072.56 × 18,211.86
  4. Step 4: Simplify right side
    40,694.22x = 1,112,244,912.56
  5. Step 5: Solve for x
    x = 1,112,244,912.56/40,694.22
  6. Step 6: Final answer
    x = 27,331.77

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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.