Home / 54,729.06-82,108.21-19,669.02

Finding the Fourth Proportional to 54,729.06, 82,108.21 and 19,669.02

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Solution

The fourth proportional to 54,729.06, 82,108.21 and 19,669.02 is: 29,508.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,729.06 : 82,108.21 = 19,669.02 : x
  2. Step 2: Convert to fraction form
    54,729.06/82,108.21 = 19,669.02/x
  3. Step 3: Cross multiply
    54,729.06x = 82,108.21 × 19,669.02
  4. Step 4: Simplify right side
    54,729.06x = 1,614,988,024.65
  5. Step 5: Solve for x
    x = 1,614,988,024.65/54,729.06
  6. Step 6: Final answer
    x = 29,508.78

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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.