Home / 36,691.86-50,634.96-20,779.42

Finding the Fourth Proportional to 36,691.86, 50,634.96 and 20,779.42

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Solution

The fourth proportional to 36,691.86, 50,634.96 and 20,779.42 is: 28,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.86 : 50,634.96 = 20,779.42 : x
  2. Step 2: Convert to fraction form
    36,691.86/50,634.96 = 20,779.42/x
  3. Step 3: Cross multiply
    36,691.86x = 50,634.96 × 20,779.42
  4. Step 4: Simplify right side
    36,691.86x = 1,052,165,100.52
  5. Step 5: Solve for x
    x = 1,052,165,100.52/36,691.86
  6. Step 6: Final answer
    x = 28,675.71

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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.