Home / 49,187.84-73,781.82-21,089.75

Finding the Fourth Proportional to 49,187.84, 73,781.82 and 21,089.75

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Solution

The fourth proportional to 49,187.84, 73,781.82 and 21,089.75 is: 31,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,187.84 : 73,781.82 = 21,089.75 : x
  2. Step 2: Convert to fraction form
    49,187.84/73,781.82 = 21,089.75/x
  3. Step 3: Cross multiply
    49,187.84x = 73,781.82 × 21,089.75
  4. Step 4: Simplify right side
    49,187.84x = 1,556,039,769.44
  5. Step 5: Solve for x
    x = 1,556,039,769.44/49,187.84
  6. Step 6: Final answer
    x = 31,634.65

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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.