Home / 33,890.96-50,833.20-20,736.56

Finding the Fourth Proportional to 33,890.96, 50,833.20 and 20,736.56

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Solution

The fourth proportional to 33,890.96, 50,833.20 and 20,736.56 is: 31,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,890.96 : 50,833.20 = 20,736.56 : x
  2. Step 2: Convert to fraction form
    33,890.96/50,833.20 = 20,736.56/x
  3. Step 3: Cross multiply
    33,890.96x = 50,833.20 × 20,736.56
  4. Step 4: Simplify right side
    33,890.96x = 1,054,105,701.79
  5. Step 5: Solve for x
    x = 1,054,105,701.79/33,890.96
  6. Step 6: Final answer
    x = 31,102.86

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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.