Home / 33,169.40-49,754.10-10,986.20

Finding the Fourth Proportional to 33,169.40, 49,754.10 and 10,986.20

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Solution

The fourth proportional to 33,169.40, 49,754.10 and 10,986.20 is: 16,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,169.40 : 49,754.10 = 10,986.20 : x
  2. Step 2: Convert to fraction form
    33,169.40/49,754.10 = 10,986.20/x
  3. Step 3: Cross multiply
    33,169.40x = 49,754.10 × 10,986.20
  4. Step 4: Simplify right side
    33,169.40x = 546,608,493.42
  5. Step 5: Solve for x
    x = 546,608,493.42/33,169.40
  6. Step 6: Final answer
    x = 16,479.30

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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.