Home / 51,194.20-76,661.70-40,826.20

Finding the Fourth Proportional to 51,194.20, 76,661.70 and 40,826.20

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Solution

The fourth proportional to 51,194.20, 76,661.70 and 40,826.20 is: 61,135.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,194.20 : 76,661.70 = 40,826.20 : x
  2. Step 2: Convert to fraction form
    51,194.20/76,661.70 = 40,826.20/x
  3. Step 3: Cross multiply
    51,194.20x = 76,661.70 × 40,826.20
  4. Step 4: Simplify right side
    51,194.20x = 3,129,805,896.54
  5. Step 5: Solve for x
    x = 3,129,805,896.54/51,194.20
  6. Step 6: Final answer
    x = 61,135.95

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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.