Home / 33,238.35-45,869.91-18,131.87

Finding the Fourth Proportional to 33,238.35, 45,869.91 and 18,131.87

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Solution

The fourth proportional to 33,238.35, 45,869.91 and 18,131.87 is: 25,022.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,238.35 : 45,869.91 = 18,131.87 : x
  2. Step 2: Convert to fraction form
    33,238.35/45,869.91 = 18,131.87/x
  3. Step 3: Cross multiply
    33,238.35x = 45,869.91 × 18,131.87
  4. Step 4: Simplify right side
    33,238.35x = 831,707,015.68
  5. Step 5: Solve for x
    x = 831,707,015.68/33,238.35
  6. Step 6: Final answer
    x = 25,022.51

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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.