Home / 40,495.26-60,761.36-20,787.67

Finding the Fourth Proportional to 40,495.26, 60,761.36 and 20,787.67

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Solution

The fourth proportional to 40,495.26, 60,761.36 and 20,787.67 is: 31,190.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,495.26 : 60,761.36 = 20,787.67 : x
  2. Step 2: Convert to fraction form
    40,495.26/60,761.36 = 20,787.67/x
  3. Step 3: Cross multiply
    40,495.26x = 60,761.36 × 20,787.67
  4. Step 4: Simplify right side
    40,495.26x = 1,263,087,072.44
  5. Step 5: Solve for x
    x = 1,263,087,072.44/40,495.26
  6. Step 6: Final answer
    x = 31,190.98

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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.