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Finding the Fourth Proportional to 45,797.82, 68,706.52 and 14,207.19

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Solution

The fourth proportional to 45,797.82, 68,706.52 and 14,207.19 is: 21,313.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,797.82 : 68,706.52 = 14,207.19 : x
  2. Step 2: Convert to fraction form
    45,797.82/68,706.52 = 14,207.19/x
  3. Step 3: Cross multiply
    45,797.82x = 68,706.52 × 14,207.19
  4. Step 4: Simplify right side
    45,797.82x = 976,126,583.88
  5. Step 5: Solve for x
    x = 976,126,583.88/45,797.82
  6. Step 6: Final answer
    x = 21,313.82

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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.