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Finding the Fourth Proportional to 36,885, 50,902.38 and 20,119.08

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Solution

The fourth proportional to 36,885, 50,902.38 and 20,119.08 is: 27,764.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885 : 50,902.38 = 20,119.08 : x
  2. Step 2: Convert to fraction form
    36,885/50,902.38 = 20,119.08/x
  3. Step 3: Cross multiply
    36,885x = 50,902.38 × 20,119.08
  4. Step 4: Simplify right side
    36,885x = 1,024,109,055.41
  5. Step 5: Solve for x
    x = 1,024,109,055.41/36,885
  6. Step 6: Final answer
    x = 27,764.92

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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.