Home / 47,485.85-71,245.02-17,912.14

Finding the Fourth Proportional to 47,485.85, 71,245.02 and 17,912.14

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Solution

The fourth proportional to 47,485.85, 71,245.02 and 17,912.14 is: 26,874.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,485.85 : 71,245.02 = 17,912.14 : x
  2. Step 2: Convert to fraction form
    47,485.85/71,245.02 = 17,912.14/x
  3. Step 3: Cross multiply
    47,485.85x = 71,245.02 × 17,912.14
  4. Step 4: Simplify right side
    47,485.85x = 1,276,150,772.54
  5. Step 5: Solve for x
    x = 1,276,150,772.54/47,485.85
  6. Step 6: Final answer
    x = 26,874.34

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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.