Home / 41,131.64-61,729.92-21,140.34

Finding the Fourth Proportional to 41,131.64, 61,729.92 and 21,140.34

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Solution

The fourth proportional to 41,131.64, 61,729.92 and 21,140.34 is: 31,727.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,131.64 : 61,729.92 = 21,140.34 : x
  2. Step 2: Convert to fraction form
    41,131.64/61,729.92 = 21,140.34/x
  3. Step 3: Cross multiply
    41,131.64x = 61,729.92 × 21,140.34
  4. Step 4: Simplify right side
    41,131.64x = 1,304,991,265.49
  5. Step 5: Solve for x
    x = 1,304,991,265.49/41,131.64
  6. Step 6: Final answer
    x = 31,727.19

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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.