Home / 36,685.62-50,625.32-20,769.75

Finding the Fourth Proportional to 36,685.62, 50,625.32 and 20,769.75

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Solution

The fourth proportional to 36,685.62, 50,625.32 and 20,769.75 is: 28,661.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.62 : 50,625.32 = 20,769.75 : x
  2. Step 2: Convert to fraction form
    36,685.62/50,625.32 = 20,769.75/x
  3. Step 3: Cross multiply
    36,685.62x = 50,625.32 × 20,769.75
  4. Step 4: Simplify right side
    36,685.62x = 1,051,475,136.22
  5. Step 5: Solve for x
    x = 1,051,475,136.22/36,685.62
  6. Step 6: Final answer
    x = 28,661.78

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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.