Home / 40,576.11-55,990.76-22,671.87

Finding the Fourth Proportional to 40,576.11, 55,990.76 and 22,671.87

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Solution

The fourth proportional to 40,576.11, 55,990.76 and 22,671.87 is: 31,284.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,576.11 : 55,990.76 = 22,671.87 : x
  2. Step 2: Convert to fraction form
    40,576.11/55,990.76 = 22,671.87/x
  3. Step 3: Cross multiply
    40,576.11x = 55,990.76 × 22,671.87
  4. Step 4: Simplify right side
    40,576.11x = 1,269,415,118.56
  5. Step 5: Solve for x
    x = 1,269,415,118.56/40,576.11
  6. Step 6: Final answer
    x = 31,284.79

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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.