Home / 49,930.04-74,874.27-20,327.78

Finding the Fourth Proportional to 49,930.04, 74,874.27 and 20,327.78

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Solution

The fourth proportional to 49,930.04, 74,874.27 and 20,327.78 is: 30,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,930.04 : 74,874.27 = 20,327.78 : x
  2. Step 2: Convert to fraction form
    49,930.04/74,874.27 = 20,327.78/x
  3. Step 3: Cross multiply
    49,930.04x = 74,874.27 × 20,327.78
  4. Step 4: Simplify right side
    49,930.04x = 1,522,027,688.22
  5. Step 5: Solve for x
    x = 1,522,027,688.22/49,930.04
  6. Step 6: Final answer
    x = 30,483.21

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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.