Home / 33,115.40-49,608.30-19,928.60

Finding the Fourth Proportional to 33,115.40, 49,608.30 and 19,928.60

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Solution

The fourth proportional to 33,115.40, 49,608.30 and 19,928.60 is: 29,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.40 : 49,608.30 = 19,928.60 : x
  2. Step 2: Convert to fraction form
    33,115.40/49,608.30 = 19,928.60/x
  3. Step 3: Cross multiply
    33,115.40x = 49,608.30 × 19,928.60
  4. Step 4: Simplify right side
    33,115.40x = 988,623,967.38
  5. Step 5: Solve for x
    x = 988,623,967.38/33,115.40
  6. Step 6: Final answer
    x = 29,853.90

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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.