Home / 54,500.80-81,771.96-18,966.07

Finding the Fourth Proportional to 54,500.80, 81,771.96 and 18,966.07

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Solution

The fourth proportional to 54,500.80, 81,771.96 and 18,966.07 is: 28,456.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,500.80 : 81,771.96 = 18,966.07 : x
  2. Step 2: Convert to fraction form
    54,500.80/81,771.96 = 18,966.07/x
  3. Step 3: Cross multiply
    54,500.80x = 81,771.96 × 18,966.07
  4. Step 4: Simplify right side
    54,500.80x = 1,550,892,717.40
  5. Step 5: Solve for x
    x = 1,550,892,717.40/54,500.80
  6. Step 6: Final answer
    x = 28,456.33

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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.