Home / 54,551.44-81,831.80-15,108.56

Finding the Fourth Proportional to 54,551.44, 81,831.80 and 15,108.56

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Solution

The fourth proportional to 54,551.44, 81,831.80 and 15,108.56 is: 22,664.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,551.44 : 81,831.80 = 15,108.56 : x
  2. Step 2: Convert to fraction form
    54,551.44/81,831.80 = 15,108.56/x
  3. Step 3: Cross multiply
    54,551.44x = 81,831.80 × 15,108.56
  4. Step 4: Simplify right side
    54,551.44x = 1,236,360,660.21
  5. Step 5: Solve for x
    x = 1,236,360,660.21/54,551.44
  6. Step 6: Final answer
    x = 22,664.13

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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.