Home / 45,396.32-68,105.41-14,231.57

Finding the Fourth Proportional to 45,396.32, 68,105.41 and 14,231.57

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Solution

The fourth proportional to 45,396.32, 68,105.41 and 14,231.57 is: 21,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,396.32 : 68,105.41 = 14,231.57 : x
  2. Step 2: Convert to fraction form
    45,396.32/68,105.41 = 14,231.57/x
  3. Step 3: Cross multiply
    45,396.32x = 68,105.41 × 14,231.57
  4. Step 4: Simplify right side
    45,396.32x = 969,246,909.79
  5. Step 5: Solve for x
    x = 969,246,909.79/45,396.32
  6. Step 6: Final answer
    x = 21,350.78

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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.