Home / 33,550.68-50,331.48-12,490.80

Finding the Fourth Proportional to 33,550.68, 50,331.48 and 12,490.80

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Solution

The fourth proportional to 33,550.68, 50,331.48 and 12,490.80 is: 18,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,550.68 : 50,331.48 = 12,490.80 : x
  2. Step 2: Convert to fraction form
    33,550.68/50,331.48 = 12,490.80/x
  3. Step 3: Cross multiply
    33,550.68x = 50,331.48 × 12,490.80
  4. Step 4: Simplify right side
    33,550.68x = 628,680,450.38
  5. Step 5: Solve for x
    x = 628,680,450.38/33,550.68
  6. Step 6: Final answer
    x = 18,738.23

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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.