Home / 33,187.21-49,663.84-20,713.08

Finding the Fourth Proportional to 33,187.21, 49,663.84 and 20,713.08

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Solution

The fourth proportional to 33,187.21, 49,663.84 and 20,713.08 is: 30,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.21 : 49,663.84 = 20,713.08 : x
  2. Step 2: Convert to fraction form
    33,187.21/49,663.84 = 20,713.08/x
  3. Step 3: Cross multiply
    33,187.21x = 49,663.84 × 20,713.08
  4. Step 4: Simplify right side
    33,187.21x = 1,028,690,739.14
  5. Step 5: Solve for x
    x = 1,028,690,739.14/33,187.21
  6. Step 6: Final answer
    x = 30,996.60

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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.