Home / 49,819.88-74,638.68-39,169.19

Finding the Fourth Proportional to 49,819.88, 74,638.68 and 39,169.19

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Solution

The fourth proportional to 49,819.88, 74,638.68 and 39,169.19 is: 58,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,819.88 : 74,638.68 = 39,169.19 : x
  2. Step 2: Convert to fraction form
    49,819.88/74,638.68 = 39,169.19/x
  3. Step 3: Cross multiply
    49,819.88x = 74,638.68 × 39,169.19
  4. Step 4: Simplify right side
    49,819.88x = 2,923,536,265.08
  5. Step 5: Solve for x
    x = 2,923,536,265.08/49,819.88
  6. Step 6: Final answer
    x = 58,682.13

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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.