Home / 57,736.97-86,607.89-18,293.21

Finding the Fourth Proportional to 57,736.97, 86,607.89 and 18,293.21

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Solution

The fourth proportional to 57,736.97, 86,607.89 and 18,293.21 is: 27,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,736.97 : 86,607.89 = 18,293.21 : x
  2. Step 2: Convert to fraction form
    57,736.97/86,607.89 = 18,293.21/x
  3. Step 3: Cross multiply
    57,736.97x = 86,607.89 × 18,293.21
  4. Step 4: Simplify right side
    57,736.97x = 1,584,336,319.43
  5. Step 5: Solve for x
    x = 1,584,336,319.43/57,736.97
  6. Step 6: Final answer
    x = 27,440.59

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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.