Home / 20,751.35-31,127.24-5,960.24

Finding the Fourth Proportional to 20,751.35, 31,127.24 and 5,960.24

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Solution

The fourth proportional to 20,751.35, 31,127.24 and 5,960.24 is: 8,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,751.35 : 31,127.24 = 5,960.24 : x
  2. Step 2: Convert to fraction form
    20,751.35/31,127.24 = 5,960.24/x
  3. Step 3: Cross multiply
    20,751.35x = 31,127.24 × 5,960.24
  4. Step 4: Simplify right side
    20,751.35x = 185,525,680.20
  5. Step 5: Solve for x
    x = 185,525,680.20/20,751.35
  6. Step 6: Final answer
    x = 8,940.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.