Home / 57,738.97-86,610.89-18,295.21

Finding the Fourth Proportional to 57,738.97, 86,610.89 and 18,295.21

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Solution

The fourth proportional to 57,738.97, 86,610.89 and 18,295.21 is: 27,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,738.97 : 86,610.89 = 18,295.21 : x
  2. Step 2: Convert to fraction form
    57,738.97/86,610.89 = 18,295.21/x
  3. Step 3: Cross multiply
    57,738.97x = 86,610.89 × 18,295.21
  4. Step 4: Simplify right side
    57,738.97x = 1,584,564,420.84
  5. Step 5: Solve for x
    x = 1,584,564,420.84/57,738.97
  6. Step 6: Final answer
    x = 27,443.59

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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.