Home / 43,073.72-64,611.79-11,908.97

Finding the Fourth Proportional to 43,073.72, 64,611.79 and 11,908.97

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Solution

The fourth proportional to 43,073.72, 64,611.79 and 11,908.97 is: 17,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,073.72 : 64,611.79 = 11,908.97 : x
  2. Step 2: Convert to fraction form
    43,073.72/64,611.79 = 11,908.97/x
  3. Step 3: Cross multiply
    43,073.72x = 64,611.79 × 11,908.97
  4. Step 4: Simplify right side
    43,073.72x = 769,459,515.92
  5. Step 5: Solve for x
    x = 769,459,515.92/43,073.72
  6. Step 6: Final answer
    x = 17,863.78

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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.