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Finding the Fourth Proportional to 36,251.64, 50,027.66 and 20,119.18

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Solution

The fourth proportional to 36,251.64, 50,027.66 and 20,119.18 is: 27,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,251.64 : 50,027.66 = 20,119.18 : x
  2. Step 2: Convert to fraction form
    36,251.64/50,027.66 = 20,119.18/x
  3. Step 3: Cross multiply
    36,251.64x = 50,027.66 × 20,119.18
  4. Step 4: Simplify right side
    36,251.64x = 1,006,515,496.52
  5. Step 5: Solve for x
    x = 1,006,515,496.52/36,251.64
  6. Step 6: Final answer
    x = 27,764.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.