Home / 54,615.62-81,923.43-17,178.98

Finding the Fourth Proportional to 54,615.62, 81,923.43 and 17,178.98

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Solution

The fourth proportional to 54,615.62, 81,923.43 and 17,178.98 is: 25,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,615.62 : 81,923.43 = 17,178.98 : x
  2. Step 2: Convert to fraction form
    54,615.62/81,923.43 = 17,178.98/x
  3. Step 3: Cross multiply
    54,615.62x = 81,923.43 × 17,178.98
  4. Step 4: Simplify right side
    54,615.62x = 1,407,360,555.88
  5. Step 5: Solve for x
    x = 1,407,360,555.88/54,615.62
  6. Step 6: Final answer
    x = 25,768.46

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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.