Home / 43,404.72-65,107.04-12,235.92

Finding the Fourth Proportional to 43,404.72, 65,107.04 and 12,235.92

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Solution

The fourth proportional to 43,404.72, 65,107.04 and 12,235.92 is: 18,353.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,404.72 : 65,107.04 = 12,235.92 : x
  2. Step 2: Convert to fraction form
    43,404.72/65,107.04 = 12,235.92/x
  3. Step 3: Cross multiply
    43,404.72x = 65,107.04 × 12,235.92
  4. Step 4: Simplify right side
    43,404.72x = 796,644,532.88
  5. Step 5: Solve for x
    x = 796,644,532.88/43,404.72
  6. Step 6: Final answer
    x = 18,353.87

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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.