Home / 47,969.02-71,912.49-18,408.07

Finding the Fourth Proportional to 47,969.02, 71,912.49 and 18,408.07

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Solution

The fourth proportional to 47,969.02, 71,912.49 and 18,408.07 is: 27,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,969.02 : 71,912.49 = 18,408.07 : x
  2. Step 2: Convert to fraction form
    47,969.02/71,912.49 = 18,408.07/x
  3. Step 3: Cross multiply
    47,969.02x = 71,912.49 × 18,408.07
  4. Step 4: Simplify right side
    47,969.02x = 1,323,770,149.79
  5. Step 5: Solve for x
    x = 1,323,770,149.79/47,969.02
  6. Step 6: Final answer
    x = 27,596.36

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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.