Home / 33,630.70-50,421.44-11,438.12

Finding the Fourth Proportional to 33,630.70, 50,421.44 and 11,438.12

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Solution

The fourth proportional to 33,630.70, 50,421.44 and 11,438.12 is: 17,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,630.70 : 50,421.44 = 11,438.12 : x
  2. Step 2: Convert to fraction form
    33,630.70/50,421.44 = 11,438.12/x
  3. Step 3: Cross multiply
    33,630.70x = 50,421.44 × 11,438.12
  4. Step 4: Simplify right side
    33,630.70x = 576,726,257.78
  5. Step 5: Solve for x
    x = 576,726,257.78/33,630.70
  6. Step 6: Final answer
    x = 17,148.80

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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.