Home / 47,419.94-71,129.91-14,163.36

Finding the Fourth Proportional to 47,419.94, 71,129.91 and 14,163.36

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Solution

The fourth proportional to 47,419.94, 71,129.91 and 14,163.36 is: 21,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,419.94 : 71,129.91 = 14,163.36 : x
  2. Step 2: Convert to fraction form
    47,419.94/71,129.91 = 14,163.36/x
  3. Step 3: Cross multiply
    47,419.94x = 71,129.91 × 14,163.36
  4. Step 4: Simplify right side
    47,419.94x = 1,007,438,522.10
  5. Step 5: Solve for x
    x = 1,007,438,522.10/47,419.94
  6. Step 6: Final answer
    x = 21,245.04

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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.