Home / 49,443.30-74,163.15-19,853.10

Finding the Fourth Proportional to 49,443.30, 74,163.15 and 19,853.10

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Solution

The fourth proportional to 49,443.30, 74,163.15 and 19,853.10 is: 29,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,443.30 : 74,163.15 = 19,853.10 : x
  2. Step 2: Convert to fraction form
    49,443.30/74,163.15 = 19,853.10/x
  3. Step 3: Cross multiply
    49,443.30x = 74,163.15 × 19,853.10
  4. Step 4: Simplify right side
    49,443.30x = 1,472,368,433.27
  5. Step 5: Solve for x
    x = 1,472,368,433.27/49,443.30
  6. Step 6: Final answer
    x = 29,778.93

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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.