Home / 33,939.41-50,941.51-20,817.41

Finding the Fourth Proportional to 33,939.41, 50,941.51 and 20,817.41

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Solution

The fourth proportional to 33,939.41, 50,941.51 and 20,817.41 is: 31,245.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,939.41 : 50,941.51 = 20,817.41 : x
  2. Step 2: Convert to fraction form
    33,939.41/50,941.51 = 20,817.41/x
  3. Step 3: Cross multiply
    33,939.41x = 50,941.51 × 20,817.41
  4. Step 4: Simplify right side
    33,939.41x = 1,060,469,992.94
  5. Step 5: Solve for x
    x = 1,060,469,992.94/33,939.41
  6. Step 6: Final answer
    x = 31,245.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.