Home / 31,968.38-47,977.68-22,176.56

Finding the Fourth Proportional to 31,968.38, 47,977.68 and 22,176.56

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Solution

The fourth proportional to 31,968.38, 47,977.68 and 22,176.56 is: 33,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,968.38 : 47,977.68 = 22,176.56 : x
  2. Step 2: Convert to fraction form
    31,968.38/47,977.68 = 22,176.56/x
  3. Step 3: Cross multiply
    31,968.38x = 47,977.68 × 22,176.56
  4. Step 4: Simplify right side
    31,968.38x = 1,063,979,899.18
  5. Step 5: Solve for x
    x = 1,063,979,899.18/31,968.38
  6. Step 6: Final answer
    x = 33,282.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.