Home / 36,620.97-50,537.90-20,487.75

Finding the Fourth Proportional to 36,620.97, 50,537.90 and 20,487.75

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Solution

The fourth proportional to 36,620.97, 50,537.90 and 20,487.75 is: 28,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,620.97 : 50,537.90 = 20,487.75 : x
  2. Step 2: Convert to fraction form
    36,620.97/50,537.90 = 20,487.75/x
  3. Step 3: Cross multiply
    36,620.97x = 50,537.90 × 20,487.75
  4. Step 4: Simplify right side
    36,620.97x = 1,035,407,671.05
  5. Step 5: Solve for x
    x = 1,035,407,671.05/36,620.97
  6. Step 6: Final answer
    x = 28,273.63

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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.