Home / 49,992.97-74,989.52-20,020.70

Finding the Fourth Proportional to 49,992.97, 74,989.52 and 20,020.70

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Solution

The fourth proportional to 49,992.97, 74,989.52 and 20,020.70 is: 30,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,992.97 : 74,989.52 = 20,020.70 : x
  2. Step 2: Convert to fraction form
    49,992.97/74,989.52 = 20,020.70/x
  3. Step 3: Cross multiply
    49,992.97x = 74,989.52 × 20,020.70
  4. Step 4: Simplify right side
    49,992.97x = 1,501,342,920.59
  5. Step 5: Solve for x
    x = 1,501,342,920.59/49,992.97
  6. Step 6: Final answer
    x = 30,031.08

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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.