Home / 33,811.18-50,642.96-20,623.57

Finding the Fourth Proportional to 33,811.18, 50,642.96 and 20,623.57

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Solution

The fourth proportional to 33,811.18, 50,642.96 and 20,623.57 is: 30,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,811.18 : 50,642.96 = 20,623.57 : x
  2. Step 2: Convert to fraction form
    33,811.18/50,642.96 = 20,623.57/x
  3. Step 3: Cross multiply
    33,811.18x = 50,642.96 × 20,623.57
  4. Step 4: Simplify right side
    33,811.18x = 1,044,438,400.84
  5. Step 5: Solve for x
    x = 1,044,438,400.84/33,811.18
  6. Step 6: Final answer
    x = 30,890.33

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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.