Home / 39,078.62-53,922.39-23,160.50

Finding the Fourth Proportional to 39,078.62, 53,922.39 and 23,160.50

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Solution

The fourth proportional to 39,078.62, 53,922.39 and 23,160.50 is: 31,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,078.62 : 53,922.39 = 23,160.50 : x
  2. Step 2: Convert to fraction form
    39,078.62/53,922.39 = 23,160.50/x
  3. Step 3: Cross multiply
    39,078.62x = 53,922.39 × 23,160.50
  4. Step 4: Simplify right side
    39,078.62x = 1,248,869,513.60
  5. Step 5: Solve for x
    x = 1,248,869,513.60/39,078.62
  6. Step 6: Final answer
    x = 31,957.87

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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.