Home / 47,405.82-71,120.42-14,125.75

Finding the Fourth Proportional to 47,405.82, 71,120.42 and 14,125.75

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Solution

The fourth proportional to 47,405.82, 71,120.42 and 14,125.75 is: 21,192.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,405.82 : 71,120.42 = 14,125.75 : x
  2. Step 2: Convert to fraction form
    47,405.82/71,120.42 = 14,125.75/x
  3. Step 3: Cross multiply
    47,405.82x = 71,120.42 × 14,125.75
  4. Step 4: Simplify right side
    47,405.82x = 1,004,629,272.82
  5. Step 5: Solve for x
    x = 1,004,629,272.82/47,405.82
  6. Step 6: Final answer
    x = 21,192.11

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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.