Home / 43,610.20-65,415.30-15,904.60

Finding the Fourth Proportional to 43,610.20, 65,415.30 and 15,904.60

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Solution

The fourth proportional to 43,610.20, 65,415.30 and 15,904.60 is: 23,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,610.20 : 65,415.30 = 15,904.60 : x
  2. Step 2: Convert to fraction form
    43,610.20/65,415.30 = 15,904.60/x
  3. Step 3: Cross multiply
    43,610.20x = 65,415.30 × 15,904.60
  4. Step 4: Simplify right side
    43,610.20x = 1,040,404,180.38
  5. Step 5: Solve for x
    x = 1,040,404,180.38/43,610.20
  6. Step 6: Final answer
    x = 23,856.90

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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.