Home / 49,902.98-74,863.10-20,336.90

Finding the Fourth Proportional to 49,902.98, 74,863.10 and 20,336.90

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Solution

The fourth proportional to 49,902.98, 74,863.10 and 20,336.90 is: 30,508.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,902.98 : 74,863.10 = 20,336.90 : x
  2. Step 2: Convert to fraction form
    49,902.98/74,863.10 = 20,336.90/x
  3. Step 3: Cross multiply
    49,902.98x = 74,863.10 × 20,336.90
  4. Step 4: Simplify right side
    49,902.98x = 1,522,483,054.92
  5. Step 5: Solve for x
    x = 1,522,483,054.92/49,902.98
  6. Step 6: Final answer
    x = 30,508.86

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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.