Home / 33,087.13-45,684.08-20,357.44

Finding the Fourth Proportional to 33,087.13, 45,684.08 and 20,357.44

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Solution

The fourth proportional to 33,087.13, 45,684.08 and 20,357.44 is: 28,107.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,087.13 : 45,684.08 = 20,357.44 : x
  2. Step 2: Convert to fraction form
    33,087.13/45,684.08 = 20,357.44/x
  3. Step 3: Cross multiply
    33,087.13x = 45,684.08 × 20,357.44
  4. Step 4: Simplify right side
    33,087.13x = 930,010,917.56
  5. Step 5: Solve for x
    x = 930,010,917.56/33,087.13
  6. Step 6: Final answer
    x = 28,107.94

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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.