Home / 54,204.05-81,285.84-18,655.31

Finding the Fourth Proportional to 54,204.05, 81,285.84 and 18,655.31

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Solution

The fourth proportional to 54,204.05, 81,285.84 and 18,655.31 is: 27,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,204.05 : 81,285.84 = 18,655.31 : x
  2. Step 2: Convert to fraction form
    54,204.05/81,285.84 = 18,655.31/x
  3. Step 3: Cross multiply
    54,204.05x = 81,285.84 × 18,655.31
  4. Step 4: Simplify right side
    54,204.05x = 1,516,412,137.38
  5. Step 5: Solve for x
    x = 1,516,412,137.38/54,204.05
  6. Step 6: Final answer
    x = 27,976.00

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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.