Home / 41,131.74-61,730.06-21,140.43

Finding the Fourth Proportional to 41,131.74, 61,730.06 and 21,140.43

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Solution

The fourth proportional to 41,131.74, 61,730.06 and 21,140.43 is: 31,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,131.74 : 61,730.06 = 21,140.43 : x
  2. Step 2: Convert to fraction form
    41,131.74/61,730.06 = 21,140.43/x
  3. Step 3: Cross multiply
    41,131.74x = 61,730.06 × 21,140.43
  4. Step 4: Simplify right side
    41,131.74x = 1,305,000,025.54
  5. Step 5: Solve for x
    x = 1,305,000,025.54/41,131.74
  6. Step 6: Final answer
    x = 31,727.33

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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.