Home / 33,197.28-49,815.36-18,418.56

Finding the Fourth Proportional to 33,197.28, 49,815.36 and 18,418.56

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Solution

The fourth proportional to 33,197.28, 49,815.36 and 18,418.56 is: 27,638.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,197.28 : 49,815.36 = 18,418.56 : x
  2. Step 2: Convert to fraction form
    33,197.28/49,815.36 = 18,418.56/x
  3. Step 3: Cross multiply
    33,197.28x = 49,815.36 × 18,418.56
  4. Step 4: Simplify right side
    33,197.28x = 917,527,197.08
  5. Step 5: Solve for x
    x = 917,527,197.08/33,197.28
  6. Step 6: Final answer
    x = 27,638.63

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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.