Home / 36,949.50-55,433.03-11,989.62

Finding the Fourth Proportional to 36,949.50, 55,433.03 and 11,989.62

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Solution

The fourth proportional to 36,949.50, 55,433.03 and 11,989.62 is: 17,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,949.50 : 55,433.03 = 11,989.62 : x
  2. Step 2: Convert to fraction form
    36,949.50/55,433.03 = 11,989.62/x
  3. Step 3: Cross multiply
    36,949.50x = 55,433.03 × 11,989.62
  4. Step 4: Simplify right side
    36,949.50x = 664,620,905.20
  5. Step 5: Solve for x
    x = 664,620,905.20/36,949.50
  6. Step 6: Final answer
    x = 17,987.28

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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.