Home / 36,989.16-55,449.11-18,009.64

Finding the Fourth Proportional to 36,989.16, 55,449.11 and 18,009.64

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Solution

The fourth proportional to 36,989.16, 55,449.11 and 18,009.64 is: 26,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.16 : 55,449.11 = 18,009.64 : x
  2. Step 2: Convert to fraction form
    36,989.16/55,449.11 = 18,009.64/x
  3. Step 3: Cross multiply
    36,989.16x = 55,449.11 × 18,009.64
  4. Step 4: Simplify right side
    36,989.16x = 998,618,522.45
  5. Step 5: Solve for x
    x = 998,618,522.45/36,989.16
  6. Step 6: Final answer
    x = 26,997.60

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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.