Home / 33,198.90-45,813.31-18,091.25

Finding the Fourth Proportional to 33,198.90, 45,813.31 and 18,091.25

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Solution

The fourth proportional to 33,198.90, 45,813.31 and 18,091.25 is: 24,965.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.90 : 45,813.31 = 18,091.25 : x
  2. Step 2: Convert to fraction form
    33,198.90/45,813.31 = 18,091.25/x
  3. Step 3: Cross multiply
    33,198.90x = 45,813.31 × 18,091.25
  4. Step 4: Simplify right side
    33,198.90x = 828,820,043.81
  5. Step 5: Solve for x
    x = 828,820,043.81/33,198.90
  6. Step 6: Final answer
    x = 24,965.29

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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.