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Finding the Fourth Proportional to 45,360, 68,022.32 and 26,644.82

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Solution

The fourth proportional to 45,360, 68,022.32 and 26,644.82 is: 39,956.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,360 : 68,022.32 = 26,644.82 : x
  2. Step 2: Convert to fraction form
    45,360/68,022.32 = 26,644.82/x
  3. Step 3: Cross multiply
    45,360x = 68,022.32 × 26,644.82
  4. Step 4: Simplify right side
    45,360x = 1,812,441,999.05
  5. Step 5: Solve for x
    x = 1,812,441,999.05/45,360
  6. Step 6: Final answer
    x = 39,956.83

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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.