Home / 33,728.87-46,544.62-18,621.21

Finding the Fourth Proportional to 33,728.87, 46,544.62 and 18,621.21

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Solution

The fourth proportional to 33,728.87, 46,544.62 and 18,621.21 is: 25,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,728.87 : 46,544.62 = 18,621.21 : x
  2. Step 2: Convert to fraction form
    33,728.87/46,544.62 = 18,621.21/x
  3. Step 3: Cross multiply
    33,728.87x = 46,544.62 × 18,621.21
  4. Step 4: Simplify right side
    33,728.87x = 866,717,143.39
  5. Step 5: Solve for x
    x = 866,717,143.39/33,728.87
  6. Step 6: Final answer
    x = 25,696.60

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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.