Home / 41,078.22-61,519.22-21,038.63

Finding the Fourth Proportional to 41,078.22, 61,519.22 and 21,038.63

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Solution

The fourth proportional to 41,078.22, 61,519.22 and 21,038.63 is: 31,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,078.22 : 61,519.22 = 21,038.63 : x
  2. Step 2: Convert to fraction form
    41,078.22/61,519.22 = 21,038.63/x
  3. Step 3: Cross multiply
    41,078.22x = 61,519.22 × 21,038.63
  4. Step 4: Simplify right side
    41,078.22x = 1,294,279,694.68
  5. Step 5: Solve for x
    x = 1,294,279,694.68/41,078.22
  6. Step 6: Final answer
    x = 31,507.69

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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.