Home / 54,234.71-81,363.47-18,699.33

Finding the Fourth Proportional to 54,234.71, 81,363.47 and 18,699.33

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Solution

The fourth proportional to 54,234.71, 81,363.47 and 18,699.33 is: 28,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234.71 : 81,363.47 = 18,699.33 : x
  2. Step 2: Convert to fraction form
    54,234.71/81,363.47 = 18,699.33/x
  3. Step 3: Cross multiply
    54,234.71x = 81,363.47 × 18,699.33
  4. Step 4: Simplify right side
    54,234.71x = 1,521,442,375.48
  5. Step 5: Solve for x
    x = 1,521,442,375.48/54,234.71
  6. Step 6: Final answer
    x = 28,052.93

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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.