Home / 43,404.82-65,039.89-30,103.77

Finding the Fourth Proportional to 43,404.82, 65,039.89 and 30,103.77

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Solution

The fourth proportional to 43,404.82, 65,039.89 and 30,103.77 is: 45,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,404.82 : 65,039.89 = 30,103.77 : x
  2. Step 2: Convert to fraction form
    43,404.82/65,039.89 = 30,103.77/x
  3. Step 3: Cross multiply
    43,404.82x = 65,039.89 × 30,103.77
  4. Step 4: Simplify right side
    43,404.82x = 1,957,945,889.39
  5. Step 5: Solve for x
    x = 1,957,945,889.39/43,404.82
  6. Step 6: Final answer
    x = 45,108.95

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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.