Home / 69,923.20-104,859.36-30,470.72

Finding the Fourth Proportional to 69,923.20, 104,859.36 and 30,470.72

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Solution

The fourth proportional to 69,923.20, 104,859.36 and 30,470.72 is: 45,694.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,923.20 : 104,859.36 = 30,470.72 : x
  2. Step 2: Convert to fraction form
    69,923.20/104,859.36 = 30,470.72/x
  3. Step 3: Cross multiply
    69,923.20x = 104,859.36 × 30,470.72
  4. Step 4: Simplify right side
    69,923.20x = 3,195,140,197.94
  5. Step 5: Solve for x
    x = 3,195,140,197.94/69,923.20
  6. Step 6: Final answer
    x = 45,694.99

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1.5x scale

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.