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Finding the Fourth Proportional to 36,517.07, 54,775.60 and 8,815.07

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Solution

The fourth proportional to 36,517.07, 54,775.60 and 8,815.07 is: 13,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,517.07 : 54,775.60 = 8,815.07 : x
  2. Step 2: Convert to fraction form
    36,517.07/54,775.60 = 8,815.07/x
  3. Step 3: Cross multiply
    36,517.07x = 54,775.60 × 8,815.07
  4. Step 4: Simplify right side
    36,517.07x = 482,850,748.29
  5. Step 5: Solve for x
    x = 482,850,748.29/36,517.07
  6. Step 6: Final answer
    x = 13,222.60

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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.