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Finding the Fourth Proportional to 45,767, 68,650.91 and 18,065

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Solution

The fourth proportional to 45,767, 68,650.91 and 18,065 is: 27,097.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,767 : 68,650.91 = 18,065 : x
  2. Step 2: Convert to fraction form
    45,767/68,650.91 = 18,065/x
  3. Step 3: Cross multiply
    45,767x = 68,650.91 × 18,065
  4. Step 4: Simplify right side
    45,767x = 1,240,178,689.15
  5. Step 5: Solve for x
    x = 1,240,178,689.15/45,767
  6. Step 6: Final answer
    x = 27,097.66

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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.