Home / 47,672.01-71,511.44-12,611.25

Finding the Fourth Proportional to 47,672.01, 71,511.44 and 12,611.25

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Solution

The fourth proportional to 47,672.01, 71,511.44 and 12,611.25 is: 18,917.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,672.01 : 71,511.44 = 12,611.25 : x
  2. Step 2: Convert to fraction form
    47,672.01/71,511.44 = 12,611.25/x
  3. Step 3: Cross multiply
    47,672.01x = 71,511.44 × 12,611.25
  4. Step 4: Simplify right side
    47,672.01x = 901,848,584.64
  5. Step 5: Solve for x
    x = 901,848,584.64/47,672.01
  6. Step 6: Final answer
    x = 18,917.78

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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.