Home / 33,221.20-49,734.60-22,140.40

Finding the Fourth Proportional to 33,221.20, 49,734.60 and 22,140.40

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Solution

The fourth proportional to 33,221.20, 49,734.60 and 22,140.40 is: 33,145.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221.20 : 49,734.60 = 22,140.40 : x
  2. Step 2: Convert to fraction form
    33,221.20/49,734.60 = 22,140.40/x
  3. Step 3: Cross multiply
    33,221.20x = 49,734.60 × 22,140.40
  4. Step 4: Simplify right side
    33,221.20x = 1,101,143,937.84
  5. Step 5: Solve for x
    x = 1,101,143,937.84/33,221.20
  6. Step 6: Final answer
    x = 33,145.82

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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.