Home / 36,576.47-50,477.91-20,661.32

Finding the Fourth Proportional to 36,576.47, 50,477.91 and 20,661.32

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Solution

The fourth proportional to 36,576.47, 50,477.91 and 20,661.32 is: 28,513.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,576.47 : 50,477.91 = 20,661.32 : x
  2. Step 2: Convert to fraction form
    36,576.47/50,477.91 = 20,661.32/x
  3. Step 3: Cross multiply
    36,576.47x = 50,477.91 × 20,661.32
  4. Step 4: Simplify right side
    36,576.47x = 1,042,940,251.44
  5. Step 5: Solve for x
    x = 1,042,940,251.44/36,576.47
  6. Step 6: Final answer
    x = 28,513.97

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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.