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Finding the Fourth Proportional to 39,328, 54,273.12 and 22,562.56

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Solution

The fourth proportional to 39,328, 54,273.12 and 22,562.56 is: 31,136.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,328 : 54,273.12 = 22,562.56 : x
  2. Step 2: Convert to fraction form
    39,328/54,273.12 = 22,562.56/x
  3. Step 3: Cross multiply
    39,328x = 54,273.12 × 22,562.56
  4. Step 4: Simplify right side
    39,328x = 1,224,540,526.39
  5. Step 5: Solve for x
    x = 1,224,540,526.39/39,328
  6. Step 6: Final answer
    x = 31,136.61

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1.5x scale

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.