Home / 36,697.26-50,643.42-20,781.37

Finding the Fourth Proportional to 36,697.26, 50,643.42 and 20,781.37

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Solution

The fourth proportional to 36,697.26, 50,643.42 and 20,781.37 is: 28,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,697.26 : 50,643.42 = 20,781.37 : x
  2. Step 2: Convert to fraction form
    36,697.26/50,643.42 = 20,781.37/x
  3. Step 3: Cross multiply
    36,697.26x = 50,643.42 × 20,781.37
  4. Step 4: Simplify right side
    36,697.26x = 1,052,439,634.46
  5. Step 5: Solve for x
    x = 1,052,439,634.46/36,697.26
  6. Step 6: Final answer
    x = 28,678.97

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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.