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Finding the Fourth Proportional to 33,994.71, 50,979 and 11,193.21

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Solution

The fourth proportional to 33,994.71, 50,979 and 11,193.21 is: 16,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,994.71 : 50,979 = 11,193.21 : x
  2. Step 2: Convert to fraction form
    33,994.71/50,979 = 11,193.21/x
  3. Step 3: Cross multiply
    33,994.71x = 50,979 × 11,193.21
  4. Step 4: Simplify right side
    33,994.71x = 570,618,652.59
  5. Step 5: Solve for x
    x = 570,618,652.59/33,994.71
  6. Step 6: Final answer
    x = 16,785.51

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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.