Home / 36,909.21-55,372.59-11,949.25

Finding the Fourth Proportional to 36,909.21, 55,372.59 and 11,949.25

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Solution

The fourth proportional to 36,909.21, 55,372.59 and 11,949.25 is: 17,926.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909.21 : 55,372.59 = 11,949.25 : x
  2. Step 2: Convert to fraction form
    36,909.21/55,372.59 = 11,949.25/x
  3. Step 3: Cross multiply
    36,909.21x = 55,372.59 × 11,949.25
  4. Step 4: Simplify right side
    36,909.21x = 661,660,921.06
  5. Step 5: Solve for x
    x = 661,660,921.06/36,909.21
  6. Step 6: Final answer
    x = 17,926.72

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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.