Home / 33,355.61-50,033.14-13,620.33

Finding the Fourth Proportional to 33,355.61, 50,033.14 and 13,620.33

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Solution

The fourth proportional to 33,355.61, 50,033.14 and 13,620.33 is: 20,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,355.61 : 50,033.14 = 13,620.33 : x
  2. Step 2: Convert to fraction form
    33,355.61/50,033.14 = 13,620.33/x
  3. Step 3: Cross multiply
    33,355.61x = 50,033.14 × 13,620.33
  4. Step 4: Simplify right side
    33,355.61x = 681,467,752.65
  5. Step 5: Solve for x
    x = 681,467,752.65/33,355.61
  6. Step 6: Final answer
    x = 20,430.38

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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.