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Finding the Fourth Proportional to 36,563.13, 54,844.63 and 8,861.13

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Solution

The fourth proportional to 36,563.13, 54,844.63 and 8,861.13 is: 13,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,563.13 : 54,844.63 = 8,861.13 : x
  2. Step 2: Convert to fraction form
    36,563.13/54,844.63 = 8,861.13/x
  3. Step 3: Cross multiply
    36,563.13x = 54,844.63 × 8,861.13
  4. Step 4: Simplify right side
    36,563.13x = 485,985,374.08
  5. Step 5: Solve for x
    x = 485,985,374.08/36,563.13
  6. Step 6: Final answer
    x = 13,291.68

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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.