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Finding the Fourth Proportional to 36,067.68, 54,106.68 and 11,109.78

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Solution

The fourth proportional to 36,067.68, 54,106.68 and 11,109.78 is: 16,666.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,067.68 : 54,106.68 = 11,109.78 : x
  2. Step 2: Convert to fraction form
    36,067.68/54,106.68 = 11,109.78/x
  3. Step 3: Cross multiply
    36,067.68x = 54,106.68 × 11,109.78
  4. Step 4: Simplify right side
    36,067.68x = 601,113,311.33
  5. Step 5: Solve for x
    x = 601,113,311.33/36,067.68
  6. Step 6: Final answer
    x = 16,666.26

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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.