Home / 47,732.94-71,601.26-12,672.90

Finding the Fourth Proportional to 47,732.94, 71,601.26 and 12,672.90

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Solution

The fourth proportional to 47,732.94, 71,601.26 and 12,672.90 is: 19,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,732.94 : 71,601.26 = 12,672.90 : x
  2. Step 2: Convert to fraction form
    47,732.94/71,601.26 = 12,672.90/x
  3. Step 3: Cross multiply
    47,732.94x = 71,601.26 × 12,672.90
  4. Step 4: Simplify right side
    47,732.94x = 907,395,544.49
  5. Step 5: Solve for x
    x = 907,395,544.49/47,732.94
  6. Step 6: Final answer
    x = 19,009.84

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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.