Home / 34,514.91-51,739.55-21,999.80

Finding the Fourth Proportional to 34,514.91, 51,739.55 and 21,999.80

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Solution

The fourth proportional to 34,514.91, 51,739.55 and 21,999.80 is: 32,978.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,514.91 : 51,739.55 = 21,999.80 : x
  2. Step 2: Convert to fraction form
    34,514.91/51,739.55 = 21,999.80/x
  3. Step 3: Cross multiply
    34,514.91x = 51,739.55 × 21,999.80
  4. Step 4: Simplify right side
    34,514.91x = 1,138,259,493.39
  5. Step 5: Solve for x
    x = 1,138,259,493.39/34,514.91
  6. Step 6: Final answer
    x = 32,978.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.