Home / 29,781.48-41,086.08-19,714.80

Finding the Fourth Proportional to 29,781.48, 41,086.08 and 19,714.80

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Solution

The fourth proportional to 29,781.48, 41,086.08 and 19,714.80 is: 27,198.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,781.48 : 41,086.08 = 19,714.80 : x
  2. Step 2: Convert to fraction form
    29,781.48/41,086.08 = 19,714.80/x
  3. Step 3: Cross multiply
    29,781.48x = 41,086.08 × 19,714.80
  4. Step 4: Simplify right side
    29,781.48x = 810,003,849.98
  5. Step 5: Solve for x
    x = 810,003,849.98/29,781.48
  6. Step 6: Final answer
    x = 27,198.24

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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.