Home / 54,513.72-81,607.62-33,387.24

Finding the Fourth Proportional to 54,513.72, 81,607.62 and 33,387.24

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Solution

The fourth proportional to 54,513.72, 81,607.62 and 33,387.24 is: 49,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,513.72 : 81,607.62 = 33,387.24 : x
  2. Step 2: Convert to fraction form
    54,513.72/81,607.62 = 33,387.24/x
  3. Step 3: Cross multiply
    54,513.72x = 81,607.62 × 33,387.24
  4. Step 4: Simplify right side
    54,513.72x = 2,724,653,194.77
  5. Step 5: Solve for x
    x = 2,724,653,194.77/54,513.72
  6. Step 6: Final answer
    x = 49,981.05

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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.