Home / 47,419.88-71,129.82-14,163.30

Finding the Fourth Proportional to 47,419.88, 71,129.82 and 14,163.30

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Solution

The fourth proportional to 47,419.88, 71,129.82 and 14,163.30 is: 21,244.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,419.88 : 71,129.82 = 14,163.30 : x
  2. Step 2: Convert to fraction form
    47,419.88/71,129.82 = 14,163.30/x
  3. Step 3: Cross multiply
    47,419.88x = 71,129.82 × 14,163.30
  4. Step 4: Simplify right side
    47,419.88x = 1,007,432,979.61
  5. Step 5: Solve for x
    x = 1,007,432,979.61/47,419.88
  6. Step 6: Final answer
    x = 21,244.95

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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.