Home / 45,476.82-68,217.76-13,891.68

Finding the Fourth Proportional to 45,476.82, 68,217.76 and 13,891.68

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Solution

The fourth proportional to 45,476.82, 68,217.76 and 13,891.68 is: 20,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,476.82 : 68,217.76 = 13,891.68 : x
  2. Step 2: Convert to fraction form
    45,476.82/68,217.76 = 13,891.68/x
  3. Step 3: Cross multiply
    45,476.82x = 68,217.76 × 13,891.68
  4. Step 4: Simplify right side
    45,476.82x = 947,659,292.24
  5. Step 5: Solve for x
    x = 947,659,292.24/45,476.82
  6. Step 6: Final answer
    x = 20,838.29

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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.