Home / 33,238.64-45,869.96-18,131.85

Finding the Fourth Proportional to 33,238.64, 45,869.96 and 18,131.85

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Solution

The fourth proportional to 33,238.64, 45,869.96 and 18,131.85 is: 25,022.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,238.64 : 45,869.96 = 18,131.85 : x
  2. Step 2: Convert to fraction form
    33,238.64/45,869.96 = 18,131.85/x
  3. Step 3: Cross multiply
    33,238.64x = 45,869.96 × 18,131.85
  4. Step 4: Simplify right side
    33,238.64x = 831,707,279.56
  5. Step 5: Solve for x
    x = 831,707,279.56/33,238.64
  6. Step 6: Final answer
    x = 25,022.31

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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.