Home / 51,366.20-76,919.70-40,998.20

Finding the Fourth Proportional to 51,366.20, 76,919.70 and 40,998.20

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Solution

The fourth proportional to 51,366.20, 76,919.70 and 40,998.20 is: 61,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,366.20 : 76,919.70 = 40,998.20 : x
  2. Step 2: Convert to fraction form
    51,366.20/76,919.70 = 40,998.20/x
  3. Step 3: Cross multiply
    51,366.20x = 76,919.70 × 40,998.20
  4. Step 4: Simplify right side
    51,366.20x = 3,153,569,244.54
  5. Step 5: Solve for x
    x = 3,153,569,244.54/51,366.20
  6. Step 6: Final answer
    x = 61,393.86

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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.