Home / 54,217.72-81,318.36-14,778

Finding the Fourth Proportional to 54,217.72, 81,318.36 and 14,778

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Solution

The fourth proportional to 54,217.72, 81,318.36 and 14,778 is: 22,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,217.72 : 81,318.36 = 14,778 : x
  2. Step 2: Convert to fraction form
    54,217.72/81,318.36 = 14,778/x
  3. Step 3: Cross multiply
    54,217.72x = 81,318.36 × 14,778
  4. Step 4: Simplify right side
    54,217.72x = 1,201,722,724.08
  5. Step 5: Solve for x
    x = 1,201,722,724.08/54,217.72
  6. Step 6: Final answer
    x = 22,164.76

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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.