Home / 36,942.21-50,999.27-21,839.49

Finding the Fourth Proportional to 36,942.21, 50,999.27 and 21,839.49

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Solution

The fourth proportional to 36,942.21, 50,999.27 and 21,839.49 is: 30,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,942.21 : 50,999.27 = 21,839.49 : x
  2. Step 2: Convert to fraction form
    36,942.21/50,999.27 = 21,839.49/x
  3. Step 3: Cross multiply
    36,942.21x = 50,999.27 × 21,839.49
  4. Step 4: Simplify right side
    36,942.21x = 1,113,797,937.97
  5. Step 5: Solve for x
    x = 1,113,797,937.97/36,942.21
  6. Step 6: Final answer
    x = 30,149.74

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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.