Home / 41,147.10-61,720.65-20,411.10

Finding the Fourth Proportional to 41,147.10, 61,720.65 and 20,411.10

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Solution

The fourth proportional to 41,147.10, 61,720.65 and 20,411.10 is: 30,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,147.10 : 61,720.65 = 20,411.10 : x
  2. Step 2: Convert to fraction form
    41,147.10/61,720.65 = 20,411.10/x
  3. Step 3: Cross multiply
    41,147.10x = 61,720.65 × 20,411.10
  4. Step 4: Simplify right side
    41,147.10x = 1,259,786,359.22
  5. Step 5: Solve for x
    x = 1,259,786,359.22/41,147.10
  6. Step 6: Final answer
    x = 30,616.65

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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.