Home / 54,539.20-81,663-31,133.44

Finding the Fourth Proportional to 54,539.20, 81,663 and 31,133.44

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Solution

The fourth proportional to 54,539.20, 81,663 and 31,133.44 is: 46,616.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,539.20 : 81,663 = 31,133.44 : x
  2. Step 2: Convert to fraction form
    54,539.20/81,663 = 31,133.44/x
  3. Step 3: Cross multiply
    54,539.20x = 81,663 × 31,133.44
  4. Step 4: Simplify right side
    54,539.20x = 2,542,450,110.72
  5. Step 5: Solve for x
    x = 2,542,450,110.72/54,539.20
  6. Step 6: Final answer
    x = 46,616.93

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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.