Home / 41,726.21-57,550.78-28,979.42

Finding the Fourth Proportional to 41,726.21, 57,550.78 and 28,979.42

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Solution

The fourth proportional to 41,726.21, 57,550.78 and 28,979.42 is: 39,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,726.21 : 57,550.78 = 28,979.42 : x
  2. Step 2: Convert to fraction form
    41,726.21/57,550.78 = 28,979.42/x
  3. Step 3: Cross multiply
    41,726.21x = 57,550.78 × 28,979.42
  4. Step 4: Simplify right side
    41,726.21x = 1,667,787,973.42
  5. Step 5: Solve for x
    x = 1,667,787,973.42/41,726.21
  6. Step 6: Final answer
    x = 39,969.80

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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.