Home / 54,364.72-81,552.67-18,825.97

Finding the Fourth Proportional to 54,364.72, 81,552.67 and 18,825.97

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Solution

The fourth proportional to 54,364.72, 81,552.67 and 18,825.97 is: 28,240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,364.72 : 81,552.67 = 18,825.97 : x
  2. Step 2: Convert to fraction form
    54,364.72/81,552.67 = 18,825.97/x
  3. Step 3: Cross multiply
    54,364.72x = 81,552.67 × 18,825.97
  4. Step 4: Simplify right side
    54,364.72x = 1,535,308,118.84
  5. Step 5: Solve for x
    x = 1,535,308,118.84/54,364.72
  6. Step 6: Final answer
    x = 28,240.89

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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.