Home / 71,766.05-107,636.66-21,834.05

Finding the Fourth Proportional to 71,766.05, 107,636.66 and 21,834.05

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Solution

The fourth proportional to 71,766.05, 107,636.66 and 21,834.05 is: 32,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,766.05 : 107,636.66 = 21,834.05 : x
  2. Step 2: Convert to fraction form
    71,766.05/107,636.66 = 21,834.05/x
  3. Step 3: Cross multiply
    71,766.05x = 107,636.66 × 21,834.05
  4. Step 4: Simplify right side
    71,766.05x = 2,350,144,107.10
  5. Step 5: Solve for x
    x = 2,350,144,107.10/71,766.05
  6. Step 6: Final answer
    x = 32,747.30

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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.