Home / 39,694.82-54,781.62-26,242.70

Finding the Fourth Proportional to 39,694.82, 54,781.62 and 26,242.70

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Solution

The fourth proportional to 39,694.82, 54,781.62 and 26,242.70 is: 36,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,694.82 : 54,781.62 = 26,242.70 : x
  2. Step 2: Convert to fraction form
    39,694.82/54,781.62 = 26,242.70/x
  3. Step 3: Cross multiply
    39,694.82x = 54,781.62 × 26,242.70
  4. Step 4: Simplify right side
    39,694.82x = 1,437,617,619.17
  5. Step 5: Solve for x
    x = 1,437,617,619.17/39,694.82
  6. Step 6: Final answer
    x = 36,216.76

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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.