Home / 50,005.05-74,906.78-31,227.45

Finding the Fourth Proportional to 50,005.05, 74,906.78 and 31,227.45

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Solution

The fourth proportional to 50,005.05, 74,906.78 and 31,227.45 is: 46,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,005.05 : 74,906.78 = 31,227.45 : x
  2. Step 2: Convert to fraction form
    50,005.05/74,906.78 = 31,227.45/x
  3. Step 3: Cross multiply
    50,005.05x = 74,906.78 × 31,227.45
  4. Step 4: Simplify right side
    50,005.05x = 2,339,147,570.97
  5. Step 5: Solve for x
    x = 2,339,147,570.97/50,005.05
  6. Step 6: Final answer
    x = 46,778.23

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1.5x scale

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.