Home / 33,092.20-49,638.30-19,937.80

Finding the Fourth Proportional to 33,092.20, 49,638.30 and 19,937.80

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Solution

The fourth proportional to 33,092.20, 49,638.30 and 19,937.80 is: 29,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,092.20 : 49,638.30 = 19,937.80 : x
  2. Step 2: Convert to fraction form
    33,092.20/49,638.30 = 19,937.80/x
  3. Step 3: Cross multiply
    33,092.20x = 49,638.30 × 19,937.80
  4. Step 4: Simplify right side
    33,092.20x = 989,678,497.74
  5. Step 5: Solve for x
    x = 989,678,497.74/33,092.20
  6. Step 6: Final answer
    x = 29,906.70

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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.