Home / 30,028.88-45,059.39-19,496.42

Finding the Fourth Proportional to 30,028.88, 45,059.39 and 19,496.42

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Solution

The fourth proportional to 30,028.88, 45,059.39 and 19,496.42 is: 29,255.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,028.88 : 45,059.39 = 19,496.42 : x
  2. Step 2: Convert to fraction form
    30,028.88/45,059.39 = 19,496.42/x
  3. Step 3: Cross multiply
    30,028.88x = 45,059.39 × 19,496.42
  4. Step 4: Simplify right side
    30,028.88x = 878,496,469.60
  5. Step 5: Solve for x
    x = 878,496,469.60/30,028.88
  6. Step 6: Final answer
    x = 29,255.06

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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.