Home / 41,188.42-61,745.64-20,116.54

Finding the Fourth Proportional to 41,188.42, 61,745.64 and 20,116.54

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Solution

The fourth proportional to 41,188.42, 61,745.64 and 20,116.54 is: 30,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,188.42 : 61,745.64 = 20,116.54 : x
  2. Step 2: Convert to fraction form
    41,188.42/61,745.64 = 20,116.54/x
  3. Step 3: Cross multiply
    41,188.42x = 61,745.64 × 20,116.54
  4. Step 4: Simplify right side
    41,188.42x = 1,242,108,636.89
  5. Step 5: Solve for x
    x = 1,242,108,636.89/41,188.42
  6. Step 6: Final answer
    x = 30,156.74

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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.