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Finding the Fourth Proportional to 36,768, 50,739.84 and 20,001.12

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Solution

The fourth proportional to 36,768, 50,739.84 and 20,001.12 is: 27,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,768 : 50,739.84 = 20,001.12 : x
  2. Step 2: Convert to fraction form
    36,768/50,739.84 = 20,001.12/x
  3. Step 3: Cross multiply
    36,768x = 50,739.84 × 20,001.12
  4. Step 4: Simplify right side
    36,768x = 1,014,853,628.62
  5. Step 5: Solve for x
    x = 1,014,853,628.62/36,768
  6. Step 6: Final answer
    x = 27,601.55

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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.