Home / 54,831.54-82,247.79-13,278.58

Finding the Fourth Proportional to 54,831.54, 82,247.79 and 13,278.58

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Solution

The fourth proportional to 54,831.54, 82,247.79 and 13,278.58 is: 19,917.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,831.54 : 82,247.79 = 13,278.58 : x
  2. Step 2: Convert to fraction form
    54,831.54/82,247.79 = 13,278.58/x
  3. Step 3: Cross multiply
    54,831.54x = 82,247.79 × 13,278.58
  4. Step 4: Simplify right side
    54,831.54x = 1,092,133,859.34
  5. Step 5: Solve for x
    x = 1,092,133,859.34/54,831.54
  6. Step 6: Final answer
    x = 19,917.99

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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.