Home / 35,970.97-49,640-20,056.43

Finding the Fourth Proportional to 35,970.97, 49,640 and 20,056.43

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Solution

The fourth proportional to 35,970.97, 49,640 and 20,056.43 is: 27,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,970.97 : 49,640 = 20,056.43 : x
  2. Step 2: Convert to fraction form
    35,970.97/49,640 = 20,056.43/x
  3. Step 3: Cross multiply
    35,970.97x = 49,640 × 20,056.43
  4. Step 4: Simplify right side
    35,970.97x = 995,601,185.20
  5. Step 5: Solve for x
    x = 995,601,185.20/35,970.97
  6. Step 6: Final answer
    x = 27,677.91

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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.