Home / 54,579.60-81,821.40-36,992.40

Finding the Fourth Proportional to 54,579.60, 81,821.40 and 36,992.40

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Solution

The fourth proportional to 54,579.60, 81,821.40 and 36,992.40 is: 55,456.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579.60 : 81,821.40 = 36,992.40 : x
  2. Step 2: Convert to fraction form
    54,579.60/81,821.40 = 36,992.40/x
  3. Step 3: Cross multiply
    54,579.60x = 81,821.40 × 36,992.40
  4. Step 4: Simplify right side
    54,579.60x = 3,026,769,957.36
  5. Step 5: Solve for x
    x = 3,026,769,957.36/54,579.60
  6. Step 6: Final answer
    x = 55,456.07

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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.