Home / 33,556.68-50,305.86-13,821.57

Finding the Fourth Proportional to 33,556.68, 50,305.86 and 13,821.57

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Solution

The fourth proportional to 33,556.68, 50,305.86 and 13,821.57 is: 20,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,556.68 : 50,305.86 = 13,821.57 : x
  2. Step 2: Convert to fraction form
    33,556.68/50,305.86 = 13,821.57/x
  3. Step 3: Cross multiply
    33,556.68x = 50,305.86 × 13,821.57
  4. Step 4: Simplify right side
    33,556.68x = 695,305,965.40
  5. Step 5: Solve for x
    x = 695,305,965.40/33,556.68
  6. Step 6: Final answer
    x = 20,720.34

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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.