Home / 33,123.40-49,620.30-19,936.60

Finding the Fourth Proportional to 33,123.40, 49,620.30 and 19,936.60

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Solution

The fourth proportional to 33,123.40, 49,620.30 and 19,936.60 is: 29,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,123.40 : 49,620.30 = 19,936.60 : x
  2. Step 2: Convert to fraction form
    33,123.40/49,620.30 = 19,936.60/x
  3. Step 3: Cross multiply
    33,123.40x = 49,620.30 × 19,936.60
  4. Step 4: Simplify right side
    33,123.40x = 989,260,072.98
  5. Step 5: Solve for x
    x = 989,260,072.98/33,123.40
  6. Step 6: Final answer
    x = 29,865.90

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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.