Home / 33,618.45-46,392.83-18,510.78

Finding the Fourth Proportional to 33,618.45, 46,392.83 and 18,510.78

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Solution

The fourth proportional to 33,618.45, 46,392.83 and 18,510.78 is: 25,544.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,618.45 : 46,392.83 = 18,510.78 : x
  2. Step 2: Convert to fraction form
    33,618.45/46,392.83 = 18,510.78/x
  3. Step 3: Cross multiply
    33,618.45x = 46,392.83 × 18,510.78
  4. Step 4: Simplify right side
    33,618.45x = 858,767,515.98
  5. Step 5: Solve for x
    x = 858,767,515.98/33,618.45
  6. Step 6: Final answer
    x = 25,544.53

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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.