Home / 47,396.42-71,107.92-20,744.74

Finding the Fourth Proportional to 47,396.42, 71,107.92 and 20,744.74

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Solution

The fourth proportional to 47,396.42, 71,107.92 and 20,744.74 is: 31,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,396.42 : 71,107.92 = 20,744.74 : x
  2. Step 2: Convert to fraction form
    47,396.42/71,107.92 = 20,744.74/x
  3. Step 3: Cross multiply
    47,396.42x = 71,107.92 × 20,744.74
  4. Step 4: Simplify right side
    47,396.42x = 1,475,114,956.80
  5. Step 5: Solve for x
    x = 1,475,114,956.80/47,396.42
  6. Step 6: Final answer
    x = 31,122.92

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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.