Home / 33,093.68-45,679.92-21,189.08

Finding the Fourth Proportional to 33,093.68, 45,679.92 and 21,189.08

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Solution

The fourth proportional to 33,093.68, 45,679.92 and 21,189.08 is: 29,247.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,093.68 : 45,679.92 = 21,189.08 : x
  2. Step 2: Convert to fraction form
    33,093.68/45,679.92 = 21,189.08/x
  3. Step 3: Cross multiply
    33,093.68x = 45,679.92 × 21,189.08
  4. Step 4: Simplify right side
    33,093.68x = 967,915,479.27
  5. Step 5: Solve for x
    x = 967,915,479.27/33,093.68
  6. Step 6: Final answer
    x = 29,247.74

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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.