Home / 41,289.12-61,943.36-12,824.61

Finding the Fourth Proportional to 41,289.12, 61,943.36 and 12,824.61

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Solution

The fourth proportional to 41,289.12, 61,943.36 and 12,824.61 is: 19,239.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,289.12 : 61,943.36 = 12,824.61 : x
  2. Step 2: Convert to fraction form
    41,289.12/61,943.36 = 12,824.61/x
  3. Step 3: Cross multiply
    41,289.12x = 61,943.36 × 12,824.61
  4. Step 4: Simplify right side
    41,289.12x = 794,399,369.97
  5. Step 5: Solve for x
    x = 794,399,369.97/41,289.12
  6. Step 6: Final answer
    x = 19,239.92

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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.