Home / 30,110.13-41,552.09-18,772.97

Finding the Fourth Proportional to 30,110.13, 41,552.09 and 18,772.97

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Solution

The fourth proportional to 30,110.13, 41,552.09 and 18,772.97 is: 25,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.13 : 41,552.09 = 18,772.97 : x
  2. Step 2: Convert to fraction form
    30,110.13/41,552.09 = 18,772.97/x
  3. Step 3: Cross multiply
    30,110.13x = 41,552.09 × 18,772.97
  4. Step 4: Simplify right side
    30,110.13x = 780,055,907.78
  5. Step 5: Solve for x
    x = 780,055,907.78/30,110.13
  6. Step 6: Final answer
    x = 25,906.76

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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.