Home / 36,694.24-50,638.25-20,781.79

Finding the Fourth Proportional to 36,694.24, 50,638.25 and 20,781.79

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Solution

The fourth proportional to 36,694.24, 50,638.25 and 20,781.79 is: 28,678.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,694.24 : 50,638.25 = 20,781.79 : x
  2. Step 2: Convert to fraction form
    36,694.24/50,638.25 = 20,781.79/x
  3. Step 3: Cross multiply
    36,694.24x = 50,638.25 × 20,781.79
  4. Step 4: Simplify right side
    36,694.24x = 1,052,353,477.47
  5. Step 5: Solve for x
    x = 1,052,353,477.47/36,694.24
  6. Step 6: Final answer
    x = 28,678.98

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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.