Home / 67,933.43-101,895.24-21,185.09

Finding the Fourth Proportional to 67,933.43, 101,895.24 and 21,185.09

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Solution

The fourth proportional to 67,933.43, 101,895.24 and 21,185.09 is: 31,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,933.43 : 101,895.24 = 21,185.09 : x
  2. Step 2: Convert to fraction form
    67,933.43/101,895.24 = 21,185.09/x
  3. Step 3: Cross multiply
    67,933.43x = 101,895.24 × 21,185.09
  4. Step 4: Simplify right side
    67,933.43x = 2,158,659,829.97
  5. Step 5: Solve for x
    x = 2,158,659,829.97/67,933.43
  6. Step 6: Final answer
    x = 31,776.11

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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.