Home / 41,128.17-61,610.04-18,911.10

Finding the Fourth Proportional to 41,128.17, 61,610.04 and 18,911.10

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Solution

The fourth proportional to 41,128.17, 61,610.04 and 18,911.10 is: 28,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,128.17 : 61,610.04 = 18,911.10 : x
  2. Step 2: Convert to fraction form
    41,128.17/61,610.04 = 18,911.10/x
  3. Step 3: Cross multiply
    41,128.17x = 61,610.04 × 18,911.10
  4. Step 4: Simplify right side
    41,128.17x = 1,165,113,627.44
  5. Step 5: Solve for x
    x = 1,165,113,627.44/41,128.17
  6. Step 6: Final answer
    x = 28,328.85

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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.