Home / 55,003.38-82,509.54-17,568.78

Finding the Fourth Proportional to 55,003.38, 82,509.54 and 17,568.78

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Solution

The fourth proportional to 55,003.38, 82,509.54 and 17,568.78 is: 26,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,003.38 : 82,509.54 = 17,568.78 : x
  2. Step 2: Convert to fraction form
    55,003.38/82,509.54 = 17,568.78/x
  3. Step 3: Cross multiply
    55,003.38x = 82,509.54 × 17,568.78
  4. Step 4: Simplify right side
    55,003.38x = 1,449,591,956.16
  5. Step 5: Solve for x
    x = 1,449,591,956.16/55,003.38
  6. Step 6: Final answer
    x = 26,354.60

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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.