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Finding the Fourth Proportional to 36,231.70, 54,347.90 and 9,936.44

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Solution

The fourth proportional to 36,231.70, 54,347.90 and 9,936.44 is: 14,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,231.70 : 54,347.90 = 9,936.44 : x
  2. Step 2: Convert to fraction form
    36,231.70/54,347.90 = 9,936.44/x
  3. Step 3: Cross multiply
    36,231.70x = 54,347.90 × 9,936.44
  4. Step 4: Simplify right side
    36,231.70x = 540,024,647.48
  5. Step 5: Solve for x
    x = 540,024,647.48/36,231.70
  6. Step 6: Final answer
    x = 14,904.76

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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.