Home / 39,951.63-55,136.36-22,961.80

Finding the Fourth Proportional to 39,951.63, 55,136.36 and 22,961.80

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Solution

The fourth proportional to 39,951.63, 55,136.36 and 22,961.80 is: 31,689.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.63 : 55,136.36 = 22,961.80 : x
  2. Step 2: Convert to fraction form
    39,951.63/55,136.36 = 22,961.80/x
  3. Step 3: Cross multiply
    39,951.63x = 55,136.36 × 22,961.80
  4. Step 4: Simplify right side
    39,951.63x = 1,266,029,990.61
  5. Step 5: Solve for x
    x = 1,266,029,990.61/39,951.63
  6. Step 6: Final answer
    x = 31,689.07

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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.