Home / 54,672.39-81,996.29-19,612.05

Finding the Fourth Proportional to 54,672.39, 81,996.29 and 19,612.05

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Solution

The fourth proportional to 54,672.39, 81,996.29 and 19,612.05 is: 29,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,672.39 : 81,996.29 = 19,612.05 : x
  2. Step 2: Convert to fraction form
    54,672.39/81,996.29 = 19,612.05/x
  3. Step 3: Cross multiply
    54,672.39x = 81,996.29 × 19,612.05
  4. Step 4: Simplify right side
    54,672.39x = 1,608,115,210.33
  5. Step 5: Solve for x
    x = 1,608,115,210.33/54,672.39
  6. Step 6: Final answer
    x = 29,413.66

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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.