Home / 33,231.20-49,846.80-9,857.60

Finding the Fourth Proportional to 33,231.20, 49,846.80 and 9,857.60

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Solution

The fourth proportional to 33,231.20, 49,846.80 and 9,857.60 is: 14,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,231.20 : 49,846.80 = 9,857.60 : x
  2. Step 2: Convert to fraction form
    33,231.20/49,846.80 = 9,857.60/x
  3. Step 3: Cross multiply
    33,231.20x = 49,846.80 × 9,857.60
  4. Step 4: Simplify right side
    33,231.20x = 491,369,815.68
  5. Step 5: Solve for x
    x = 491,369,815.68/33,231.20
  6. Step 6: Final answer
    x = 14,786.40

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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.