Home / 54,272.44-81,420.36-16,831.77

Finding the Fourth Proportional to 54,272.44, 81,420.36 and 16,831.77

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Solution

The fourth proportional to 54,272.44, 81,420.36 and 16,831.77 is: 25,251.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,272.44 : 81,420.36 = 16,831.77 : x
  2. Step 2: Convert to fraction form
    54,272.44/81,420.36 = 16,831.77/x
  3. Step 3: Cross multiply
    54,272.44x = 81,420.36 × 16,831.77
  4. Step 4: Simplify right side
    54,272.44x = 1,370,448,404.39
  5. Step 5: Solve for x
    x = 1,370,448,404.39/54,272.44
  6. Step 6: Final answer
    x = 25,251.28

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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.