Home / 47,351.25-71,027.01-12,291.21

Finding the Fourth Proportional to 47,351.25, 71,027.01 and 12,291.21

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Solution

The fourth proportional to 47,351.25, 71,027.01 and 12,291.21 is: 18,436.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,351.25 : 71,027.01 = 12,291.21 : x
  2. Step 2: Convert to fraction form
    47,351.25/71,027.01 = 12,291.21/x
  3. Step 3: Cross multiply
    47,351.25x = 71,027.01 × 12,291.21
  4. Step 4: Simplify right side
    47,351.25x = 873,007,895.58
  5. Step 5: Solve for x
    x = 873,007,895.58/47,351.25
  6. Step 6: Final answer
    x = 18,436.85

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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.