Home / 36,945.17-55,425.55-11,983.28

Finding the Fourth Proportional to 36,945.17, 55,425.55 and 11,983.28

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Solution

The fourth proportional to 36,945.17, 55,425.55 and 11,983.28 is: 17,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,945.17 : 55,425.55 = 11,983.28 : x
  2. Step 2: Convert to fraction form
    36,945.17/55,425.55 = 11,983.28/x
  3. Step 3: Cross multiply
    36,945.17x = 55,425.55 × 11,983.28
  4. Step 4: Simplify right side
    36,945.17x = 664,179,705.52
  5. Step 5: Solve for x
    x = 664,179,705.52/36,945.17
  6. Step 6: Final answer
    x = 17,977.44

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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.