Home / 33,093.43-45,687.80-21,795.76

Finding the Fourth Proportional to 33,093.43, 45,687.80 and 21,795.76

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Solution

The fourth proportional to 33,093.43, 45,687.80 and 21,795.76 is: 30,090.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,093.43 : 45,687.80 = 21,795.76 : x
  2. Step 2: Convert to fraction form
    33,093.43/45,687.80 = 21,795.76/x
  3. Step 3: Cross multiply
    33,093.43x = 45,687.80 × 21,795.76
  4. Step 4: Simplify right side
    33,093.43x = 995,800,323.73
  5. Step 5: Solve for x
    x = 995,800,323.73/33,093.43
  6. Step 6: Final answer
    x = 30,090.57

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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.