Home / 36,255.53-50,021.41-21,137.49

Finding the Fourth Proportional to 36,255.53, 50,021.41 and 21,137.49

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Solution

The fourth proportional to 36,255.53, 50,021.41 and 21,137.49 is: 29,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,255.53 : 50,021.41 = 21,137.49 : x
  2. Step 2: Convert to fraction form
    36,255.53/50,021.41 = 21,137.49/x
  3. Step 3: Cross multiply
    36,255.53x = 50,021.41 × 21,137.49
  4. Step 4: Simplify right side
    36,255.53x = 1,057,327,053.66
  5. Step 5: Solve for x
    x = 1,057,327,053.66/36,255.53
  6. Step 6: Final answer
    x = 29,163.20

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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.