Home / 39,930.91-55,104.99-22,026.52

Finding the Fourth Proportional to 39,930.91, 55,104.99 and 22,026.52

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Solution

The fourth proportional to 39,930.91, 55,104.99 and 22,026.52 is: 30,396.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930.91 : 55,104.99 = 22,026.52 : x
  2. Step 2: Convert to fraction form
    39,930.91/55,104.99 = 22,026.52/x
  3. Step 3: Cross multiply
    39,930.91x = 55,104.99 × 22,026.52
  4. Step 4: Simplify right side
    39,930.91x = 1,213,771,164.33
  5. Step 5: Solve for x
    x = 1,213,771,164.33/39,930.91
  6. Step 6: Final answer
    x = 30,396.78

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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.