Home / 54,846.15-82,252.20-19,781.25

Finding the Fourth Proportional to 54,846.15, 82,252.20 and 19,781.25

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Solution

The fourth proportional to 54,846.15, 82,252.20 and 19,781.25 is: 29,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,846.15 : 82,252.20 = 19,781.25 : x
  2. Step 2: Convert to fraction form
    54,846.15/82,252.20 = 19,781.25/x
  3. Step 3: Cross multiply
    54,846.15x = 82,252.20 × 19,781.25
  4. Step 4: Simplify right side
    54,846.15x = 1,627,051,331.25
  5. Step 5: Solve for x
    x = 1,627,051,331.25/54,846.15
  6. Step 6: Final answer
    x = 29,665.73

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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.