Home / 49,297.12-73,874.94-21,209.56

Finding the Fourth Proportional to 49,297.12, 73,874.94 and 21,209.56

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Solution

The fourth proportional to 49,297.12, 73,874.94 and 21,209.56 is: 31,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,297.12 : 73,874.94 = 21,209.56 : x
  2. Step 2: Convert to fraction form
    49,297.12/73,874.94 = 21,209.56/x
  3. Step 3: Cross multiply
    49,297.12x = 73,874.94 × 21,209.56
  4. Step 4: Simplify right side
    49,297.12x = 1,566,854,972.43
  5. Step 5: Solve for x
    x = 1,566,854,972.43/49,297.12
  6. Step 6: Final answer
    x = 31,783.90

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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.