Home / 49,983.88-74,974.14-13,047.88

Finding the Fourth Proportional to 49,983.88, 74,974.14 and 13,047.88

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Solution

The fourth proportional to 49,983.88, 74,974.14 and 13,047.88 is: 19,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,983.88 : 74,974.14 = 13,047.88 : x
  2. Step 2: Convert to fraction form
    49,983.88/74,974.14 = 13,047.88/x
  3. Step 3: Cross multiply
    49,983.88x = 74,974.14 × 13,047.88
  4. Step 4: Simplify right side
    49,983.88x = 978,253,581.82
  5. Step 5: Solve for x
    x = 978,253,581.82/49,983.88
  6. Step 6: Final answer
    x = 19,571.38

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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.