Home / 36,683.82-50,623.68-20,768.30

Finding the Fourth Proportional to 36,683.82, 50,623.68 and 20,768.30

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Solution

The fourth proportional to 36,683.82, 50,623.68 and 20,768.30 is: 28,660.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,683.82 : 50,623.68 = 20,768.30 : x
  2. Step 2: Convert to fraction form
    36,683.82/50,623.68 = 20,768.30/x
  3. Step 3: Cross multiply
    36,683.82x = 50,623.68 × 20,768.30
  4. Step 4: Simplify right side
    36,683.82x = 1,051,367,787.95
  5. Step 5: Solve for x
    x = 1,051,367,787.95/36,683.82
  6. Step 6: Final answer
    x = 28,660.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.