Home / 36,694.56-50,638.68-20,782.11

Finding the Fourth Proportional to 36,694.56, 50,638.68 and 20,782.11

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Solution

The fourth proportional to 36,694.56, 50,638.68 and 20,782.11 is: 28,679.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,694.56 : 50,638.68 = 20,782.11 : x
  2. Step 2: Convert to fraction form
    36,694.56/50,638.68 = 20,782.11/x
  3. Step 3: Cross multiply
    36,694.56x = 50,638.68 × 20,782.11
  4. Step 4: Simplify right side
    36,694.56x = 1,052,378,618.01
  5. Step 5: Solve for x
    x = 1,052,378,618.01/36,694.56
  6. Step 6: Final answer
    x = 28,679.42

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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.