Home / 33,260.11-49,915.55-12,220.09

Finding the Fourth Proportional to 33,260.11, 49,915.55 and 12,220.09

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Solution

The fourth proportional to 33,260.11, 49,915.55 and 12,220.09 is: 18,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,260.11 : 49,915.55 = 12,220.09 : x
  2. Step 2: Convert to fraction form
    33,260.11/49,915.55 = 12,220.09/x
  3. Step 3: Cross multiply
    33,260.11x = 49,915.55 × 12,220.09
  4. Step 4: Simplify right side
    33,260.11x = 609,972,452.30
  5. Step 5: Solve for x
    x = 609,972,452.30/33,260.11
  6. Step 6: Final answer
    x = 18,339.46

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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.