Home / 33,148.20-49,722.30-19,993.80

Finding the Fourth Proportional to 33,148.20, 49,722.30 and 19,993.80

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Solution

The fourth proportional to 33,148.20, 49,722.30 and 19,993.80 is: 29,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,148.20 : 49,722.30 = 19,993.80 : x
  2. Step 2: Convert to fraction form
    33,148.20/49,722.30 = 19,993.80/x
  3. Step 3: Cross multiply
    33,148.20x = 49,722.30 × 19,993.80
  4. Step 4: Simplify right side
    33,148.20x = 994,137,721.74
  5. Step 5: Solve for x
    x = 994,137,721.74/33,148.20
  6. Step 6: Final answer
    x = 29,990.70

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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.