Home / 69,438.87-95,831.53-39,229.73

Finding the Fourth Proportional to 69,438.87, 95,831.53 and 39,229.73

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Solution

The fourth proportional to 69,438.87, 95,831.53 and 39,229.73 is: 54,140.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,438.87 : 95,831.53 = 39,229.73 : x
  2. Step 2: Convert to fraction form
    69,438.87/95,831.53 = 39,229.73/x
  3. Step 3: Cross multiply
    69,438.87x = 95,831.53 × 39,229.73
  4. Step 4: Simplify right side
    69,438.87x = 3,759,445,047.39
  5. Step 5: Solve for x
    x = 3,759,445,047.39/69,438.87
  6. Step 6: Final answer
    x = 54,140.35

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1.5x scale

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.