Home / 30,169.54-41,635.11-18,230.59

Finding the Fourth Proportional to 30,169.54, 41,635.11 and 18,230.59

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Solution

The fourth proportional to 30,169.54, 41,635.11 and 18,230.59 is: 25,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,169.54 : 41,635.11 = 18,230.59 : x
  2. Step 2: Convert to fraction form
    30,169.54/41,635.11 = 18,230.59/x
  3. Step 3: Cross multiply
    30,169.54x = 41,635.11 × 18,230.59
  4. Step 4: Simplify right side
    30,169.54x = 759,032,620.01
  5. Step 5: Solve for x
    x = 759,032,620.01/30,169.54
  6. Step 6: Final answer
    x = 25,158.91

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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.