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Finding the Fourth Proportional to 33,892.40, 50,838.60 and 27,331.40

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Solution

The fourth proportional to 33,892.40, 50,838.60 and 27,331.40 is: 40,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,892.40 : 50,838.60 = 27,331.40 : x
  2. Step 2: Convert to fraction form
    33,892.40/50,838.60 = 27,331.40/x
  3. Step 3: Cross multiply
    33,892.40x = 50,838.60 × 27,331.40
  4. Step 4: Simplify right side
    33,892.40x = 1,389,490,112.04
  5. Step 5: Solve for x
    x = 1,389,490,112.04/33,892.40
  6. Step 6: Final answer
    x = 40,997.10

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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.