Home / 40,187.62-60,291.42-12,107.04

Finding the Fourth Proportional to 40,187.62, 60,291.42 and 12,107.04

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Solution

The fourth proportional to 40,187.62, 60,291.42 and 12,107.04 is: 18,163.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,187.62 : 60,291.42 = 12,107.04 : x
  2. Step 2: Convert to fraction form
    40,187.62/60,291.42 = 12,107.04/x
  3. Step 3: Cross multiply
    40,187.62x = 60,291.42 × 12,107.04
  4. Step 4: Simplify right side
    40,187.62x = 729,950,633.60
  5. Step 5: Solve for x
    x = 729,950,633.60/40,187.62
  6. Step 6: Final answer
    x = 18,163.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.