Home / 54,321.14-81,461.73-18,773.48

Finding the Fourth Proportional to 54,321.14, 81,461.73 and 18,773.48

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Solution

The fourth proportional to 54,321.14, 81,461.73 and 18,773.48 is: 28,153.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,321.14 : 81,461.73 = 18,773.48 : x
  2. Step 2: Convert to fraction form
    54,321.14/81,461.73 = 18,773.48/x
  3. Step 3: Cross multiply
    54,321.14x = 81,461.73 × 18,773.48
  4. Step 4: Simplify right side
    54,321.14x = 1,529,320,158.92
  5. Step 5: Solve for x
    x = 1,529,320,158.92/54,321.14
  6. Step 6: Final answer
    x = 28,153.31

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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.