Home / 54,018.56-81,035.94-18,952.04

Finding the Fourth Proportional to 54,018.56, 81,035.94 and 18,952.04

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Solution

The fourth proportional to 54,018.56, 81,035.94 and 18,952.04 is: 28,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,018.56 : 81,035.94 = 18,952.04 : x
  2. Step 2: Convert to fraction form
    54,018.56/81,035.94 = 18,952.04/x
  3. Step 3: Cross multiply
    54,018.56x = 81,035.94 × 18,952.04
  4. Step 4: Simplify right side
    54,018.56x = 1,535,796,376.32
  5. Step 5: Solve for x
    x = 1,535,796,376.32/54,018.56
  6. Step 6: Final answer
    x = 28,430.90

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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.