Home / 33,195.96-49,781.52-12,129.03

Finding the Fourth Proportional to 33,195.96, 49,781.52 and 12,129.03

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Solution

The fourth proportional to 33,195.96, 49,781.52 and 12,129.03 is: 18,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,195.96 : 49,781.52 = 12,129.03 : x
  2. Step 2: Convert to fraction form
    33,195.96/49,781.52 = 12,129.03/x
  3. Step 3: Cross multiply
    33,195.96x = 49,781.52 × 12,129.03
  4. Step 4: Simplify right side
    33,195.96x = 603,801,549.53
  5. Step 5: Solve for x
    x = 603,801,549.53/33,195.96
  6. Step 6: Final answer
    x = 18,189.01

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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.