Home / 49,678.92-68,556.57-28,172.73

Finding the Fourth Proportional to 49,678.92, 68,556.57 and 28,172.73

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Solution

The fourth proportional to 49,678.92, 68,556.57 and 28,172.73 is: 38,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,678.92 : 68,556.57 = 28,172.73 : x
  2. Step 2: Convert to fraction form
    49,678.92/68,556.57 = 28,172.73/x
  3. Step 3: Cross multiply
    49,678.92x = 68,556.57 × 28,172.73
  4. Step 4: Simplify right side
    49,678.92x = 1,931,425,736.34
  5. Step 5: Solve for x
    x = 1,931,425,736.34/49,678.92
  6. Step 6: Final answer
    x = 38,878.17

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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.