Home / 41,936.64-62,943.84-21,174.72

Finding the Fourth Proportional to 41,936.64, 62,943.84 and 21,174.72

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Solution

The fourth proportional to 41,936.64, 62,943.84 and 21,174.72 is: 31,781.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,936.64 : 62,943.84 = 21,174.72 : x
  2. Step 2: Convert to fraction form
    41,936.64/62,943.84 = 21,174.72/x
  3. Step 3: Cross multiply
    41,936.64x = 62,943.84 × 21,174.72
  4. Step 4: Simplify right side
    41,936.64x = 1,332,818,187.72
  5. Step 5: Solve for x
    x = 1,332,818,187.72/41,936.64
  6. Step 6: Final answer
    x = 31,781.71

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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.