Home / 36,680.60-50,619.38-20,768.12

Finding the Fourth Proportional to 36,680.60, 50,619.38 and 20,768.12

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Solution

The fourth proportional to 36,680.60, 50,619.38 and 20,768.12 is: 28,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,680.60 : 50,619.38 = 20,768.12 : x
  2. Step 2: Convert to fraction form
    36,680.60/50,619.38 = 20,768.12/x
  3. Step 3: Cross multiply
    36,680.60x = 50,619.38 × 20,768.12
  4. Step 4: Simplify right side
    36,680.60x = 1,051,269,358.17
  5. Step 5: Solve for x
    x = 1,051,269,358.17/36,680.60
  6. Step 6: Final answer
    x = 28,660.09

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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.