Home / 30,222.09-41,700.13-18,286.33

Finding the Fourth Proportional to 30,222.09, 41,700.13 and 18,286.33

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Solution

The fourth proportional to 30,222.09, 41,700.13 and 18,286.33 is: 25,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222.09 : 41,700.13 = 18,286.33 : x
  2. Step 2: Convert to fraction form
    30,222.09/41,700.13 = 18,286.33/x
  3. Step 3: Cross multiply
    30,222.09x = 41,700.13 × 18,286.33
  4. Step 4: Simplify right side
    30,222.09x = 762,542,338.22
  5. Step 5: Solve for x
    x = 762,542,338.22/30,222.09
  6. Step 6: Final answer
    x = 25,231.29

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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.