Home / 33,965.36-50,874.30-20,777.72

Finding the Fourth Proportional to 33,965.36, 50,874.30 and 20,777.72

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Solution

The fourth proportional to 33,965.36, 50,874.30 and 20,777.72 is: 31,121.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,965.36 : 50,874.30 = 20,777.72 : x
  2. Step 2: Convert to fraction form
    33,965.36/50,874.30 = 20,777.72/x
  3. Step 3: Cross multiply
    33,965.36x = 50,874.30 × 20,777.72
  4. Step 4: Simplify right side
    33,965.36x = 1,057,051,960.60
  5. Step 5: Solve for x
    x = 1,057,051,960.60/33,965.36
  6. Step 6: Final answer
    x = 31,121.47

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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.