Home / 36,989.88-55,487.86-12,023.48

Finding the Fourth Proportional to 36,989.88, 55,487.86 and 12,023.48

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Solution

The fourth proportional to 36,989.88, 55,487.86 and 12,023.48 is: 18,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.88 : 55,487.86 = 12,023.48 : x
  2. Step 2: Convert to fraction form
    36,989.88/55,487.86 = 12,023.48/x
  3. Step 3: Cross multiply
    36,989.88x = 55,487.86 × 12,023.48
  4. Step 4: Simplify right side
    36,989.88x = 667,157,174.95
  5. Step 5: Solve for x
    x = 667,157,174.95/36,989.88
  6. Step 6: Final answer
    x = 18,036.21

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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.