Home / 69,831.78-104,684.13-25,448.42

Finding the Fourth Proportional to 69,831.78, 104,684.13 and 25,448.42

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Solution

The fourth proportional to 69,831.78, 104,684.13 and 25,448.42 is: 38,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,831.78 : 104,684.13 = 25,448.42 : x
  2. Step 2: Convert to fraction form
    69,831.78/104,684.13 = 25,448.42/x
  3. Step 3: Cross multiply
    69,831.78x = 104,684.13 × 25,448.42
  4. Step 4: Simplify right side
    69,831.78x = 2,664,045,184.15
  5. Step 5: Solve for x
    x = 2,664,045,184.15/69,831.78
  6. Step 6: Final answer
    x = 38,149.47

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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.