Home / 33,198.05-45,813.31-18,090.71

Finding the Fourth Proportional to 33,198.05, 45,813.31 and 18,090.71

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Solution

The fourth proportional to 33,198.05, 45,813.31 and 18,090.71 is: 24,965.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.05 : 45,813.31 = 18,090.71 : x
  2. Step 2: Convert to fraction form
    33,198.05/45,813.31 = 18,090.71/x
  3. Step 3: Cross multiply
    33,198.05x = 45,813.31 × 18,090.71
  4. Step 4: Simplify right side
    33,198.05x = 828,795,374.66
  5. Step 5: Solve for x
    x = 828,795,374.66/33,198.05
  6. Step 6: Final answer
    x = 24,965.19

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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.