Home / 36,770.40-55,144.64-13,391.38

Finding the Fourth Proportional to 36,770.40, 55,144.64 and 13,391.38

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Solution

The fourth proportional to 36,770.40, 55,144.64 and 13,391.38 is: 20,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,770.40 : 55,144.64 = 13,391.38 : x
  2. Step 2: Convert to fraction form
    36,770.40/55,144.64 = 13,391.38/x
  3. Step 3: Cross multiply
    36,770.40x = 55,144.64 × 13,391.38
  4. Step 4: Simplify right side
    36,770.40x = 738,462,829.20
  5. Step 5: Solve for x
    x = 738,462,829.20/36,770.40
  6. Step 6: Final answer
    x = 20,083.08

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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.