Home / 33,185.84-49,661.78-20,711.70

Finding the Fourth Proportional to 33,185.84, 49,661.78 and 20,711.70

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Solution

The fourth proportional to 33,185.84, 49,661.78 and 20,711.70 is: 30,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,185.84 : 49,661.78 = 20,711.70 : x
  2. Step 2: Convert to fraction form
    33,185.84/49,661.78 = 20,711.70/x
  3. Step 3: Cross multiply
    33,185.84x = 49,661.78 × 20,711.70
  4. Step 4: Simplify right side
    33,185.84x = 1,028,579,785.27
  5. Step 5: Solve for x
    x = 1,028,579,785.27/33,185.84
  6. Step 6: Final answer
    x = 30,994.54

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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.