Home / 69,439.59-104,163.47-19,523.60

Finding the Fourth Proportional to 69,439.59, 104,163.47 and 19,523.60

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Solution

The fourth proportional to 69,439.59, 104,163.47 and 19,523.60 is: 29,286.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,439.59 : 104,163.47 = 19,523.60 : x
  2. Step 2: Convert to fraction form
    69,439.59/104,163.47 = 19,523.60/x
  3. Step 3: Cross multiply
    69,439.59x = 104,163.47 × 19,523.60
  4. Step 4: Simplify right side
    69,439.59x = 2,033,645,304.46
  5. Step 5: Solve for x
    x = 2,033,645,304.46/69,439.59
  6. Step 6: Final answer
    x = 29,286.54

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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.