Home / 49,289.23-73,986.45-21,223.18

Finding the Fourth Proportional to 49,289.23, 73,986.45 and 21,223.18

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Solution

The fourth proportional to 49,289.23, 73,986.45 and 21,223.18 is: 31,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,289.23 : 73,986.45 = 21,223.18 : x
  2. Step 2: Convert to fraction form
    49,289.23/73,986.45 = 21,223.18/x
  3. Step 3: Cross multiply
    49,289.23x = 73,986.45 × 21,223.18
  4. Step 4: Simplify right side
    49,289.23x = 1,570,227,745.91
  5. Step 5: Solve for x
    x = 1,570,227,745.91/49,289.23
  6. Step 6: Final answer
    x = 31,857.42

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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.