Home / 49,678.97-68,556.92-28,458.32

Finding the Fourth Proportional to 49,678.97, 68,556.92 and 28,458.32

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Solution

The fourth proportional to 49,678.97, 68,556.92 and 28,458.32 is: 39,272.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,678.97 : 68,556.92 = 28,458.32 : x
  2. Step 2: Convert to fraction form
    49,678.97/68,556.92 = 28,458.32/x
  3. Step 3: Cross multiply
    49,678.97x = 68,556.92 × 28,458.32
  4. Step 4: Simplify right side
    49,678.97x = 1,951,014,282.50
  5. Step 5: Solve for x
    x = 1,951,014,282.50/49,678.97
  6. Step 6: Final answer
    x = 39,272.44

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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.