Home / 45,480.12-68,227.46-19,188.73

Finding the Fourth Proportional to 45,480.12, 68,227.46 and 19,188.73

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Solution

The fourth proportional to 45,480.12, 68,227.46 and 19,188.73 is: 28,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,480.12 : 68,227.46 = 19,188.73 : x
  2. Step 2: Convert to fraction form
    45,480.12/68,227.46 = 19,188.73/x
  3. Step 3: Cross multiply
    45,480.12x = 68,227.46 × 19,188.73
  4. Step 4: Simplify right side
    45,480.12x = 1,309,198,477.76
  5. Step 5: Solve for x
    x = 1,309,198,477.76/45,480.12
  6. Step 6: Final answer
    x = 28,786.17

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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.