Home / 39,930.64-55,104.18-22,936

Finding the Fourth Proportional to 39,930.64, 55,104.18 and 22,936

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Solution

The fourth proportional to 39,930.64, 55,104.18 and 22,936 is: 31,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930.64 : 55,104.18 = 22,936 : x
  2. Step 2: Convert to fraction form
    39,930.64/55,104.18 = 22,936/x
  3. Step 3: Cross multiply
    39,930.64x = 55,104.18 × 22,936
  4. Step 4: Simplify right side
    39,930.64x = 1,263,869,472.48
  5. Step 5: Solve for x
    x = 1,263,869,472.48/39,930.64
  6. Step 6: Final answer
    x = 31,651.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.