Home / 33,969.58-50,934.75-13,168.78

Finding the Fourth Proportional to 33,969.58, 50,934.75 and 13,168.78

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Solution

The fourth proportional to 33,969.58, 50,934.75 and 13,168.78 is: 19,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,969.58 : 50,934.75 = 13,168.78 : x
  2. Step 2: Convert to fraction form
    33,969.58/50,934.75 = 13,168.78/x
  3. Step 3: Cross multiply
    33,969.58x = 50,934.75 × 13,168.78
  4. Step 4: Simplify right side
    33,969.58x = 670,748,517.11
  5. Step 5: Solve for x
    x = 670,748,517.11/33,969.58
  6. Step 6: Final answer
    x = 19,745.56

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1.5x scale

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.