Home / 54,840.24-82,260.36-31,481.52

Finding the Fourth Proportional to 54,840.24, 82,260.36 and 31,481.52

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Solution

The fourth proportional to 54,840.24, 82,260.36 and 31,481.52 is: 47,222.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,840.24 : 82,260.36 = 31,481.52 : x
  2. Step 2: Convert to fraction form
    54,840.24/82,260.36 = 31,481.52/x
  3. Step 3: Cross multiply
    54,840.24x = 82,260.36 × 31,481.52
  4. Step 4: Simplify right side
    54,840.24x = 2,589,681,168.55
  5. Step 5: Solve for x
    x = 2,589,681,168.55/54,840.24
  6. Step 6: Final answer
    x = 47,222.28

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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.