Home / 47,974.66-71,961.38-21,661

Finding the Fourth Proportional to 47,974.66, 71,961.38 and 21,661

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Solution

The fourth proportional to 47,974.66, 71,961.38 and 21,661 is: 32,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,974.66 : 71,961.38 = 21,661 : x
  2. Step 2: Convert to fraction form
    47,974.66/71,961.38 = 21,661/x
  3. Step 3: Cross multiply
    47,974.66x = 71,961.38 × 21,661
  4. Step 4: Simplify right side
    47,974.66x = 1,558,755,452.18
  5. Step 5: Solve for x
    x = 1,558,755,452.18/47,974.66
  6. Step 6: Final answer
    x = 32,491.22

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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.