Home / 33,912.80-50,838.24-13,120.64

Finding the Fourth Proportional to 33,912.80, 50,838.24 and 13,120.64

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Solution

The fourth proportional to 33,912.80, 50,838.24 and 13,120.64 is: 19,668.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,912.80 : 50,838.24 = 13,120.64 : x
  2. Step 2: Convert to fraction form
    33,912.80/50,838.24 = 13,120.64/x
  3. Step 3: Cross multiply
    33,912.80x = 50,838.24 × 13,120.64
  4. Step 4: Simplify right side
    33,912.80x = 667,030,245.27
  5. Step 5: Solve for x
    x = 667,030,245.27/33,912.80
  6. Step 6: Final answer
    x = 19,668.98

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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.