Home / 49,605.67-68,448.65-28,380.97

Finding the Fourth Proportional to 49,605.67, 68,448.65 and 28,380.97

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Solution

The fourth proportional to 49,605.67, 68,448.65 and 28,380.97 is: 39,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,605.67 : 68,448.65 = 28,380.97 : x
  2. Step 2: Convert to fraction form
    49,605.67/68,448.65 = 28,380.97/x
  3. Step 3: Cross multiply
    49,605.67x = 68,448.65 × 28,380.97
  4. Step 4: Simplify right side
    49,605.67x = 1,942,638,940.29
  5. Step 5: Solve for x
    x = 1,942,638,940.29/49,605.67
  6. Step 6: Final answer
    x = 39,161.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.