Home / 33,212.20-49,751.10-20,693.80

Finding the Fourth Proportional to 33,212.20, 49,751.10 and 20,693.80

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Solution

The fourth proportional to 33,212.20, 49,751.10 and 20,693.80 is: 30,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,212.20 : 49,751.10 = 20,693.80 : x
  2. Step 2: Convert to fraction form
    33,212.20/49,751.10 = 20,693.80/x
  3. Step 3: Cross multiply
    33,212.20x = 49,751.10 × 20,693.80
  4. Step 4: Simplify right side
    33,212.20x = 1,029,539,313.18
  5. Step 5: Solve for x
    x = 1,029,539,313.18/33,212.20
  6. Step 6: Final answer
    x = 30,998.83

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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.