Home / 49,352.09-68,104.19-28,138.19

Finding the Fourth Proportional to 49,352.09, 68,104.19 and 28,138.19

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Solution

The fourth proportional to 49,352.09, 68,104.19 and 28,138.19 is: 38,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,352.09 : 68,104.19 = 28,138.19 : x
  2. Step 2: Convert to fraction form
    49,352.09/68,104.19 = 28,138.19/x
  3. Step 3: Cross multiply
    49,352.09x = 68,104.19 × 28,138.19
  4. Step 4: Simplify right side
    49,352.09x = 1,916,328,367.84
  5. Step 5: Solve for x
    x = 1,916,328,367.84/49,352.09
  6. Step 6: Final answer
    x = 38,829.73

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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.