Home / 33,679.52-50,554.50-13,969.78

Finding the Fourth Proportional to 33,679.52, 50,554.50 and 13,969.78

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Solution

The fourth proportional to 33,679.52, 50,554.50 and 13,969.78 is: 20,969.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,679.52 : 50,554.50 = 13,969.78 : x
  2. Step 2: Convert to fraction form
    33,679.52/50,554.50 = 13,969.78/x
  3. Step 3: Cross multiply
    33,679.52x = 50,554.50 × 13,969.78
  4. Step 4: Simplify right side
    33,679.52x = 706,235,243.01
  5. Step 5: Solve for x
    x = 706,235,243.01/33,679.52
  6. Step 6: Final answer
    x = 20,969.28

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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.