Home / 54,440.25-81,665.52-21,162.87

Finding the Fourth Proportional to 54,440.25, 81,665.52 and 21,162.87

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Solution

The fourth proportional to 54,440.25, 81,665.52 and 21,162.87 is: 31,746.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,440.25 : 81,665.52 = 21,162.87 : x
  2. Step 2: Convert to fraction form
    54,440.25/81,665.52 = 21,162.87/x
  3. Step 3: Cross multiply
    54,440.25x = 81,665.52 × 21,162.87
  4. Step 4: Simplify right side
    54,440.25x = 1,728,276,783.24
  5. Step 5: Solve for x
    x = 1,728,276,783.24/54,440.25
  6. Step 6: Final answer
    x = 31,746.31

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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.