Home / 69,421.67-104,132.84-16,831.15

Finding the Fourth Proportional to 69,421.67, 104,132.84 and 16,831.15

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Solution

The fourth proportional to 69,421.67, 104,132.84 and 16,831.15 is: 25,246.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,421.67 : 104,132.84 = 16,831.15 : x
  2. Step 2: Convert to fraction form
    69,421.67/104,132.84 = 16,831.15/x
  3. Step 3: Cross multiply
    69,421.67x = 104,132.84 × 16,831.15
  4. Step 4: Simplify right side
    69,421.67x = 1,752,675,449.97
  5. Step 5: Solve for x
    x = 1,752,675,449.97/69,421.67
  6. Step 6: Final answer
    x = 25,246.81

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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.