Home / 41,651.12-62,432.20-19,438.64

Finding the Fourth Proportional to 41,651.12, 62,432.20 and 19,438.64

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Solution

The fourth proportional to 41,651.12, 62,432.20 and 19,438.64 is: 29,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,651.12 : 62,432.20 = 19,438.64 : x
  2. Step 2: Convert to fraction form
    41,651.12/62,432.20 = 19,438.64/x
  3. Step 3: Cross multiply
    41,651.12x = 62,432.20 × 19,438.64
  4. Step 4: Simplify right side
    41,651.12x = 1,213,597,060.21
  5. Step 5: Solve for x
    x = 1,213,597,060.21/41,651.12
  6. Step 6: Final answer
    x = 29,137.20

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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.