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Finding the Fourth Proportional to 33,807.78, 50,711.04 and 10,115.34

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Solution

The fourth proportional to 33,807.78, 50,711.04 and 10,115.34 is: 15,172.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,807.78 : 50,711.04 = 10,115.34 : x
  2. Step 2: Convert to fraction form
    33,807.78/50,711.04 = 10,115.34/x
  3. Step 3: Cross multiply
    33,807.78x = 50,711.04 × 10,115.34
  4. Step 4: Simplify right side
    33,807.78x = 512,959,411.35
  5. Step 5: Solve for x
    x = 512,959,411.35/33,807.78
  6. Step 6: Final answer
    x = 15,172.82

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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.