Home / 29,757.86-41,067.66-19,668.80

Finding the Fourth Proportional to 29,757.86, 41,067.66 and 19,668.80

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Solution

The fourth proportional to 29,757.86, 41,067.66 and 19,668.80 is: 27,144.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,757.86 : 41,067.66 = 19,668.80 : x
  2. Step 2: Convert to fraction form
    29,757.86/41,067.66 = 19,668.80/x
  3. Step 3: Cross multiply
    29,757.86x = 41,067.66 × 19,668.80
  4. Step 4: Simplify right side
    29,757.86x = 807,751,541.30
  5. Step 5: Solve for x
    x = 807,751,541.30/29,757.86
  6. Step 6: Final answer
    x = 27,144.14

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1.5x scale

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.