Home / 47,414.40-71,121.14-19,327.86

Finding the Fourth Proportional to 47,414.40, 71,121.14 and 19,327.86

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Solution

The fourth proportional to 47,414.40, 71,121.14 and 19,327.86 is: 28,991.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,414.40 : 71,121.14 = 19,327.86 : x
  2. Step 2: Convert to fraction form
    47,414.40/71,121.14 = 19,327.86/x
  3. Step 3: Cross multiply
    47,414.40x = 71,121.14 × 19,327.86
  4. Step 4: Simplify right side
    47,414.40x = 1,374,619,436.96
  5. Step 5: Solve for x
    x = 1,374,619,436.96/47,414.40
  6. Step 6: Final answer
    x = 28,991.60

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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.