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Finding the Fourth Proportional to 36,607.92, 54,913.86 and 11,649.96

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Solution

The fourth proportional to 36,607.92, 54,913.86 and 11,649.96 is: 17,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,607.92 : 54,913.86 = 11,649.96 : x
  2. Step 2: Convert to fraction form
    36,607.92/54,913.86 = 11,649.96/x
  3. Step 3: Cross multiply
    36,607.92x = 54,913.86 × 11,649.96
  4. Step 4: Simplify right side
    36,607.92x = 639,744,272.45
  5. Step 5: Solve for x
    x = 639,744,272.45/36,607.92
  6. Step 6: Final answer
    x = 17,475.57

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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.