Home / 31,714.46-43,786.13-19,795.31

Finding the Fourth Proportional to 31,714.46, 43,786.13 and 19,795.31

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Solution

The fourth proportional to 31,714.46, 43,786.13 and 19,795.31 is: 27,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.46 : 43,786.13 = 19,795.31 : x
  2. Step 2: Convert to fraction form
    31,714.46/43,786.13 = 19,795.31/x
  3. Step 3: Cross multiply
    31,714.46x = 43,786.13 × 19,795.31
  4. Step 4: Simplify right side
    31,714.46x = 866,760,125.68
  5. Step 5: Solve for x
    x = 866,760,125.68/31,714.46
  6. Step 6: Final answer
    x = 27,330.12

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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.