Home / 49,411.82-74,131.65-19,850.42

Finding the Fourth Proportional to 49,411.82, 74,131.65 and 19,850.42

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Solution

The fourth proportional to 49,411.82, 74,131.65 and 19,850.42 is: 29,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,411.82 : 74,131.65 = 19,850.42 : x
  2. Step 2: Convert to fraction form
    49,411.82/74,131.65 = 19,850.42/x
  3. Step 3: Cross multiply
    49,411.82x = 74,131.65 × 19,850.42
  4. Step 4: Simplify right side
    49,411.82x = 1,471,544,387.79
  5. Step 5: Solve for x
    x = 1,471,544,387.79/49,411.82
  6. Step 6: Final answer
    x = 29,781.22

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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.