Home / 69,438.99-95,831.70-39,229.86

Finding the Fourth Proportional to 69,438.99, 95,831.70 and 39,229.86

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Solution

The fourth proportional to 69,438.99, 95,831.70 and 39,229.86 is: 54,140.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,438.99 : 95,831.70 = 39,229.86 : x
  2. Step 2: Convert to fraction form
    69,438.99/95,831.70 = 39,229.86/x
  3. Step 3: Cross multiply
    69,438.99x = 95,831.70 × 39,229.86
  4. Step 4: Simplify right side
    69,438.99x = 3,759,464,174.56
  5. Step 5: Solve for x
    x = 3,759,464,174.56/69,438.99
  6. Step 6: Final answer
    x = 54,140.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.