Home / 33,571.92-46,311.84-20,136.72

Finding the Fourth Proportional to 33,571.92, 46,311.84 and 20,136.72

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Solution

The fourth proportional to 33,571.92, 46,311.84 and 20,136.72 is: 27,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,571.92 : 46,311.84 = 20,136.72 : x
  2. Step 2: Convert to fraction form
    33,571.92/46,311.84 = 20,136.72/x
  3. Step 3: Cross multiply
    33,571.92x = 46,311.84 × 20,136.72
  4. Step 4: Simplify right side
    33,571.92x = 932,568,554.76
  5. Step 5: Solve for x
    x = 932,568,554.76/33,571.92
  6. Step 6: Final answer
    x = 27,778.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.