Home / 40,495.44-60,761.61-20,787.85

Finding the Fourth Proportional to 40,495.44, 60,761.61 and 20,787.85

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Solution

The fourth proportional to 40,495.44, 60,761.61 and 20,787.85 is: 31,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,495.44 : 60,761.61 = 20,787.85 : x
  2. Step 2: Convert to fraction form
    40,495.44/60,761.61 = 20,787.85/x
  3. Step 3: Cross multiply
    40,495.44x = 60,761.61 × 20,787.85
  4. Step 4: Simplify right side
    40,495.44x = 1,263,102,930.63
  5. Step 5: Solve for x
    x = 1,263,102,930.63/40,495.44
  6. Step 6: Final answer
    x = 31,191.24

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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.