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Finding the Fourth Proportional to 53,882.78, 80,813.12 and 33,883.10

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Solution

The fourth proportional to 53,882.78, 80,813.12 and 33,883.10 is: 50,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,882.78 : 80,813.12 = 33,883.10 : x
  2. Step 2: Convert to fraction form
    53,882.78/80,813.12 = 33,883.10/x
  3. Step 3: Cross multiply
    53,882.78x = 80,813.12 × 33,883.10
  4. Step 4: Simplify right side
    53,882.78x = 2,738,198,706.91
  5. Step 5: Solve for x
    x = 2,738,198,706.91/53,882.78
  6. Step 6: Final answer
    x = 50,817.70

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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.