Home / 30,634.55-45,951.66-11,927.60

Finding the Fourth Proportional to 30,634.55, 45,951.66 and 11,927.60

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Solution

The fourth proportional to 30,634.55, 45,951.66 and 11,927.60 is: 17,891.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,634.55 : 45,951.66 = 11,927.60 : x
  2. Step 2: Convert to fraction form
    30,634.55/45,951.66 = 11,927.60/x
  3. Step 3: Cross multiply
    30,634.55x = 45,951.66 × 11,927.60
  4. Step 4: Simplify right side
    30,634.55x = 548,093,134.70
  5. Step 5: Solve for x
    x = 548,093,134.70/30,634.55
  6. Step 6: Final answer
    x = 17,891.34

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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.