Home / 33,327.03-45,991.41-18,219.87

Finding the Fourth Proportional to 33,327.03, 45,991.41 and 18,219.87

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Solution

The fourth proportional to 33,327.03, 45,991.41 and 18,219.87 is: 25,143.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,327.03 : 45,991.41 = 18,219.87 : x
  2. Step 2: Convert to fraction form
    33,327.03/45,991.41 = 18,219.87/x
  3. Step 3: Cross multiply
    33,327.03x = 45,991.41 × 18,219.87
  4. Step 4: Simplify right side
    33,327.03x = 837,957,511.32
  5. Step 5: Solve for x
    x = 837,957,511.32/33,327.03
  6. Step 6: Final answer
    x = 25,143.48

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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.