Home / 49,917.80-74,874.58-20,336.20

Finding the Fourth Proportional to 49,917.80, 74,874.58 and 20,336.20

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Solution

The fourth proportional to 49,917.80, 74,874.58 and 20,336.20 is: 30,503.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,917.80 : 74,874.58 = 20,336.20 : x
  2. Step 2: Convert to fraction form
    49,917.80/74,874.58 = 20,336.20/x
  3. Step 3: Cross multiply
    49,917.80x = 74,874.58 × 20,336.20
  4. Step 4: Simplify right side
    49,917.80x = 1,522,664,195.77
  5. Step 5: Solve for x
    x = 1,522,664,195.77/49,917.80
  6. Step 6: Final answer
    x = 30,503.43

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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.