Home / 30,003.69-41,399.32-18,067.80

Finding the Fourth Proportional to 30,003.69, 41,399.32 and 18,067.80

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Solution

The fourth proportional to 30,003.69, 41,399.32 and 18,067.80 is: 24,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.69 : 41,399.32 = 18,067.80 : x
  2. Step 2: Convert to fraction form
    30,003.69/41,399.32 = 18,067.80/x
  3. Step 3: Cross multiply
    30,003.69x = 41,399.32 × 18,067.80
  4. Step 4: Simplify right side
    30,003.69x = 747,994,633.90
  5. Step 5: Solve for x
    x = 747,994,633.90/30,003.69
  6. Step 6: Final answer
    x = 24,930.09

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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.