Home / 33,728.31-46,544.81-18,620.99

Finding the Fourth Proportional to 33,728.31, 46,544.81 and 18,620.99

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Solution

The fourth proportional to 33,728.31, 46,544.81 and 18,620.99 is: 25,696.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,728.31 : 46,544.81 = 18,620.99 : x
  2. Step 2: Convert to fraction form
    33,728.31/46,544.81 = 18,620.99/x
  3. Step 3: Cross multiply
    33,728.31x = 46,544.81 × 18,620.99
  4. Step 4: Simplify right side
    33,728.31x = 866,710,115.73
  5. Step 5: Solve for x
    x = 866,710,115.73/33,728.31
  6. Step 6: Final answer
    x = 25,696.81

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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.