Home / 30,168.54-41,633.73-18,229.59

Finding the Fourth Proportional to 30,168.54, 41,633.73 and 18,229.59

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Solution

The fourth proportional to 30,168.54, 41,633.73 and 18,229.59 is: 25,157.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.54 : 41,633.73 = 18,229.59 : x
  2. Step 2: Convert to fraction form
    30,168.54/41,633.73 = 18,229.59/x
  3. Step 3: Cross multiply
    30,168.54x = 41,633.73 × 18,229.59
  4. Step 4: Simplify right side
    30,168.54x = 758,965,828.07
  5. Step 5: Solve for x
    x = 758,965,828.07/30,168.54
  6. Step 6: Final answer
    x = 25,157.53

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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.