Home / 39,951.52-55,136.21-22,961.69

Finding the Fourth Proportional to 39,951.52, 55,136.21 and 22,961.69

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Solution

The fourth proportional to 39,951.52, 55,136.21 and 22,961.69 is: 31,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.52 : 55,136.21 = 22,961.69 : x
  2. Step 2: Convert to fraction form
    39,951.52/55,136.21 = 22,961.69/x
  3. Step 3: Cross multiply
    39,951.52x = 55,136.21 × 22,961.69
  4. Step 4: Simplify right side
    39,951.52x = 1,266,020,662.30
  5. Step 5: Solve for x
    x = 1,266,020,662.30/39,951.52
  6. Step 6: Final answer
    x = 31,688.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.