Home / 37,845.54-52,227.81-21,078.90

Finding the Fourth Proportional to 37,845.54, 52,227.81 and 21,078.90

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Solution

The fourth proportional to 37,845.54, 52,227.81 and 21,078.90 is: 29,089.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,845.54 : 52,227.81 = 21,078.90 : x
  2. Step 2: Convert to fraction form
    37,845.54/52,227.81 = 21,078.90/x
  3. Step 3: Cross multiply
    37,845.54x = 52,227.81 × 21,078.90
  4. Step 4: Simplify right side
    37,845.54x = 1,100,904,784.21
  5. Step 5: Solve for x
    x = 1,100,904,784.21/37,845.54
  6. Step 6: Final answer
    x = 29,089.42

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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.