Home / 41,131.41-61,689.69-11,541.98

Finding the Fourth Proportional to 41,131.41, 61,689.69 and 11,541.98

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Solution

The fourth proportional to 41,131.41, 61,689.69 and 11,541.98 is: 17,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,131.41 : 61,689.69 = 11,541.98 : x
  2. Step 2: Convert to fraction form
    41,131.41/61,689.69 = 11,541.98/x
  3. Step 3: Cross multiply
    41,131.41x = 61,689.69 × 11,541.98
  4. Step 4: Simplify right side
    41,131.41x = 712,020,859.74
  5. Step 5: Solve for x
    x = 712,020,859.74/41,131.41
  6. Step 6: Final answer
    x = 17,310.88

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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.