Home / 54,383.62-81,605.14-21,104.98

Finding the Fourth Proportional to 54,383.62, 81,605.14 and 21,104.98

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Solution

The fourth proportional to 54,383.62, 81,605.14 and 21,104.98 is: 31,669.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,383.62 : 81,605.14 = 21,104.98 : x
  2. Step 2: Convert to fraction form
    54,383.62/81,605.14 = 21,104.98/x
  3. Step 3: Cross multiply
    54,383.62x = 81,605.14 × 21,104.98
  4. Step 4: Simplify right side
    54,383.62x = 1,722,274,847.60
  5. Step 5: Solve for x
    x = 1,722,274,847.60/54,383.62
  6. Step 6: Final answer
    x = 31,669.00

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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.