Home / 47,401.45-71,100.93-19,321.38

Finding the Fourth Proportional to 47,401.45, 71,100.93 and 19,321.38

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Solution

The fourth proportional to 47,401.45, 71,100.93 and 19,321.38 is: 28,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,401.45 : 71,100.93 = 19,321.38 : x
  2. Step 2: Convert to fraction form
    47,401.45/71,100.93 = 19,321.38/x
  3. Step 3: Cross multiply
    47,401.45x = 71,100.93 × 19,321.38
  4. Step 4: Simplify right side
    47,401.45x = 1,373,768,086.88
  5. Step 5: Solve for x
    x = 1,373,768,086.88/47,401.45
  6. Step 6: Final answer
    x = 28,981.56

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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.