Home / 33,278.62-45,923.74-18,170.70

Finding the Fourth Proportional to 33,278.62, 45,923.74 and 18,170.70

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Solution

The fourth proportional to 33,278.62, 45,923.74 and 18,170.70 is: 25,075.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.62 : 45,923.74 = 18,170.70 : x
  2. Step 2: Convert to fraction form
    33,278.62/45,923.74 = 18,170.70/x
  3. Step 3: Cross multiply
    33,278.62x = 45,923.74 × 18,170.70
  4. Step 4: Simplify right side
    33,278.62x = 834,466,502.42
  5. Step 5: Solve for x
    x = 834,466,502.42/33,278.62
  6. Step 6: Final answer
    x = 25,075.15

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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.