Home / 36,897.40-55,346.10-13,540.60

Finding the Fourth Proportional to 36,897.40, 55,346.10 and 13,540.60

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Solution

The fourth proportional to 36,897.40, 55,346.10 and 13,540.60 is: 20,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,897.40 : 55,346.10 = 13,540.60 : x
  2. Step 2: Convert to fraction form
    36,897.40/55,346.10 = 13,540.60/x
  3. Step 3: Cross multiply
    36,897.40x = 55,346.10 × 13,540.60
  4. Step 4: Simplify right side
    36,897.40x = 749,419,401.66
  5. Step 5: Solve for x
    x = 749,419,401.66/36,897.40
  6. Step 6: Final answer
    x = 20,310.90

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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.