Home / 39,516.62-54,533.88-22,520.50

Finding the Fourth Proportional to 39,516.62, 54,533.88 and 22,520.50

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Solution

The fourth proportional to 39,516.62, 54,533.88 and 22,520.50 is: 31,078.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,516.62 : 54,533.88 = 22,520.50 : x
  2. Step 2: Convert to fraction form
    39,516.62/54,533.88 = 22,520.50/x
  3. Step 3: Cross multiply
    39,516.62x = 54,533.88 × 22,520.50
  4. Step 4: Simplify right side
    39,516.62x = 1,228,130,244.54
  5. Step 5: Solve for x
    x = 1,228,130,244.54/39,516.62
  6. Step 6: Final answer
    x = 31,078.83

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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.