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Finding the Fourth Proportional to 33,918.68, 50,883.46 and 10,540.28

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Solution

The fourth proportional to 33,918.68, 50,883.46 and 10,540.28 is: 15,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,918.68 : 50,883.46 = 10,540.28 : x
  2. Step 2: Convert to fraction form
    33,918.68/50,883.46 = 10,540.28/x
  3. Step 3: Cross multiply
    33,918.68x = 50,883.46 × 10,540.28
  4. Step 4: Simplify right side
    33,918.68x = 536,325,915.77
  5. Step 5: Solve for x
    x = 536,325,915.77/33,918.68
  6. Step 6: Final answer
    x = 15,812.11

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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.