Home / 36,069.09-54,109.80-11,108.64

Finding the Fourth Proportional to 36,069.09, 54,109.80 and 11,108.64

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Solution

The fourth proportional to 36,069.09, 54,109.80 and 11,108.64 is: 16,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,069.09 : 54,109.80 = 11,108.64 : x
  2. Step 2: Convert to fraction form
    36,069.09/54,109.80 = 11,108.64/x
  3. Step 3: Cross multiply
    36,069.09x = 54,109.80 × 11,108.64
  4. Step 4: Simplify right side
    36,069.09x = 601,086,288.67
  5. Step 5: Solve for x
    x = 601,086,288.67/36,069.09
  6. Step 6: Final answer
    x = 16,664.86

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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.