Home / 49,213.50-67,918.26-27,999.60

Finding the Fourth Proportional to 49,213.50, 67,918.26 and 27,999.60

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Solution

The fourth proportional to 49,213.50, 67,918.26 and 27,999.60 is: 38,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,213.50 : 67,918.26 = 27,999.60 : x
  2. Step 2: Convert to fraction form
    49,213.50/67,918.26 = 27,999.60/x
  3. Step 3: Cross multiply
    49,213.50x = 67,918.26 × 27,999.60
  4. Step 4: Simplify right side
    49,213.50x = 1,901,684,112.70
  5. Step 5: Solve for x
    x = 1,901,684,112.70/49,213.50
  6. Step 6: Final answer
    x = 38,641.51

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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.