Home / 47,401.82-71,114.42-14,121.75

Finding the Fourth Proportional to 47,401.82, 71,114.42 and 14,121.75

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Solution

The fourth proportional to 47,401.82, 71,114.42 and 14,121.75 is: 21,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,401.82 : 71,114.42 = 14,121.75 : x
  2. Step 2: Convert to fraction form
    47,401.82/71,114.42 = 14,121.75/x
  3. Step 3: Cross multiply
    47,401.82x = 71,114.42 × 14,121.75
  4. Step 4: Simplify right side
    47,401.82x = 1,004,260,060.64
  5. Step 5: Solve for x
    x = 1,004,260,060.64/47,401.82
  6. Step 6: Final answer
    x = 21,186.11

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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.