Home / 35,971.60-49,640.87-20,057.06

Finding the Fourth Proportional to 35,971.60, 49,640.87 and 20,057.06

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Solution

The fourth proportional to 35,971.60, 49,640.87 and 20,057.06 is: 27,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,971.60 : 49,640.87 = 20,057.06 : x
  2. Step 2: Convert to fraction form
    35,971.60/49,640.87 = 20,057.06/x
  3. Step 3: Cross multiply
    35,971.60x = 49,640.87 × 20,057.06
  4. Step 4: Simplify right side
    35,971.60x = 995,649,559.55
  5. Step 5: Solve for x
    x = 995,649,559.55/35,971.60
  6. Step 6: Final answer
    x = 27,678.77

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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.