Home / 47,644.20-71,417.70-27,912.60

Finding the Fourth Proportional to 47,644.20, 71,417.70 and 27,912.60

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Solution

The fourth proportional to 47,644.20, 71,417.70 and 27,912.60 is: 41,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,644.20 : 71,417.70 = 27,912.60 : x
  2. Step 2: Convert to fraction form
    47,644.20/71,417.70 = 27,912.60/x
  3. Step 3: Cross multiply
    47,644.20x = 71,417.70 × 27,912.60
  4. Step 4: Simplify right side
    47,644.20x = 1,993,453,693.02
  5. Step 5: Solve for x
    x = 1,993,453,693.02/47,644.20
  6. Step 6: Final answer
    x = 41,840.43

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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.