Home / 49,429.21-74,143.24-19,846.53

Finding the Fourth Proportional to 49,429.21, 74,143.24 and 19,846.53

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Solution

The fourth proportional to 49,429.21, 74,143.24 and 19,846.53 is: 29,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,429.21 : 74,143.24 = 19,846.53 : x
  2. Step 2: Convert to fraction form
    49,429.21/74,143.24 = 19,846.53/x
  3. Step 3: Cross multiply
    49,429.21x = 74,143.24 × 19,846.53
  4. Step 4: Simplify right side
    49,429.21x = 1,471,485,567.01
  5. Step 5: Solve for x
    x = 1,471,485,567.01/49,429.21
  6. Step 6: Final answer
    x = 29,769.55

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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.