Home / 47,855.18-71,791.48-14,571.48

Finding the Fourth Proportional to 47,855.18, 71,791.48 and 14,571.48

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Solution

The fourth proportional to 47,855.18, 71,791.48 and 14,571.48 is: 21,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,855.18 : 71,791.48 = 14,571.48 : x
  2. Step 2: Convert to fraction form
    47,855.18/71,791.48 = 14,571.48/x
  3. Step 3: Cross multiply
    47,855.18x = 71,791.48 × 14,571.48
  4. Step 4: Simplify right side
    47,855.18x = 1,046,108,114.99
  5. Step 5: Solve for x
    x = 1,046,108,114.99/47,855.18
  6. Step 6: Final answer
    x = 21,859.87

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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.