Home / 34,605.26-47,755.24-18,689.70

Finding the Fourth Proportional to 34,605.26, 47,755.24 and 18,689.70

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Solution

The fourth proportional to 34,605.26, 47,755.24 and 18,689.70 is: 25,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,605.26 : 47,755.24 = 18,689.70 : x
  2. Step 2: Convert to fraction form
    34,605.26/47,755.24 = 18,689.70/x
  3. Step 3: Cross multiply
    34,605.26x = 47,755.24 × 18,689.70
  4. Step 4: Simplify right side
    34,605.26x = 892,531,241.39
  5. Step 5: Solve for x
    x = 892,531,241.39/34,605.26
  6. Step 6: Final answer
    x = 25,791.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.