Home / 36,899.83-50,920.68-20,768.07

Finding the Fourth Proportional to 36,899.83, 50,920.68 and 20,768.07

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Solution

The fourth proportional to 36,899.83, 50,920.68 and 20,768.07 is: 28,659.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,899.83 : 50,920.68 = 20,768.07 : x
  2. Step 2: Convert to fraction form
    36,899.83/50,920.68 = 20,768.07/x
  3. Step 3: Cross multiply
    36,899.83x = 50,920.68 × 20,768.07
  4. Step 4: Simplify right side
    36,899.83x = 1,057,524,246.69
  5. Step 5: Solve for x
    x = 1,057,524,246.69/36,899.83
  6. Step 6: Final answer
    x = 28,659.33

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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.