Home / 33,400.92-50,021.84-19,331.30

Finding the Fourth Proportional to 33,400.92, 50,021.84 and 19,331.30

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Solution

The fourth proportional to 33,400.92, 50,021.84 and 19,331.30 is: 28,950.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,400.92 : 50,021.84 = 19,331.30 : x
  2. Step 2: Convert to fraction form
    33,400.92/50,021.84 = 19,331.30/x
  3. Step 3: Cross multiply
    33,400.92x = 50,021.84 × 19,331.30
  4. Step 4: Simplify right side
    33,400.92x = 966,987,195.59
  5. Step 5: Solve for x
    x = 966,987,195.59/33,400.92
  6. Step 6: Final answer
    x = 28,950.91

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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.