Home / 54,440.52-81,665.93-21,163.15

Finding the Fourth Proportional to 54,440.52, 81,665.93 and 21,163.15

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Solution

The fourth proportional to 54,440.52, 81,665.93 and 21,163.15 is: 31,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,440.52 : 81,665.93 = 21,163.15 : x
  2. Step 2: Convert to fraction form
    54,440.52/81,665.93 = 21,163.15/x
  3. Step 3: Cross multiply
    54,440.52x = 81,665.93 × 21,163.15
  4. Step 4: Simplify right side
    54,440.52x = 1,728,308,326.48
  5. Step 5: Solve for x
    x = 1,728,308,326.48/54,440.52
  6. Step 6: Final answer
    x = 31,746.73

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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.