Home / 40,990.56-56,447.87-35,610.54

Finding the Fourth Proportional to 40,990.56, 56,447.87 and 35,610.54

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Solution

The fourth proportional to 40,990.56, 56,447.87 and 35,610.54 is: 49,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,990.56 : 56,447.87 = 35,610.54 : x
  2. Step 2: Convert to fraction form
    40,990.56/56,447.87 = 35,610.54/x
  3. Step 3: Cross multiply
    40,990.56x = 56,447.87 × 35,610.54
  4. Step 4: Simplify right side
    40,990.56x = 2,010,138,954.50
  5. Step 5: Solve for x
    x = 2,010,138,954.50/40,990.56
  6. Step 6: Final answer
    x = 49,039.07

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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.