Home / 54,824.40-82,186.92-19,739.25

Finding the Fourth Proportional to 54,824.40, 82,186.92 and 19,739.25

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Solution

The fourth proportional to 54,824.40, 82,186.92 and 19,739.25 is: 29,590.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,824.40 : 82,186.92 = 19,739.25 : x
  2. Step 2: Convert to fraction form
    54,824.40/82,186.92 = 19,739.25/x
  3. Step 3: Cross multiply
    54,824.40x = 82,186.92 × 19,739.25
  4. Step 4: Simplify right side
    54,824.40x = 1,622,308,160.61
  5. Step 5: Solve for x
    x = 1,622,308,160.61/54,824.40
  6. Step 6: Final answer
    x = 29,590.99

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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.