Home / 33,278.45-45,923.97-18,171.04

Finding the Fourth Proportional to 33,278.45, 45,923.97 and 18,171.04

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Solution

The fourth proportional to 33,278.45, 45,923.97 and 18,171.04 is: 25,075.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.45 : 45,923.97 = 18,171.04 : x
  2. Step 2: Convert to fraction form
    33,278.45/45,923.97 = 18,171.04/x
  3. Step 3: Cross multiply
    33,278.45x = 45,923.97 × 18,171.04
  4. Step 4: Simplify right side
    33,278.45x = 834,486,295.83
  5. Step 5: Solve for x
    x = 834,486,295.83/33,278.45
  6. Step 6: Final answer
    x = 25,075.88

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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.