Home / 31,789.26-47,634.21-12,057.12

Finding the Fourth Proportional to 31,789.26, 47,634.21 and 12,057.12

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Solution

The fourth proportional to 31,789.26, 47,634.21 and 12,057.12 is: 18,066.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,789.26 : 47,634.21 = 12,057.12 : x
  2. Step 2: Convert to fraction form
    31,789.26/47,634.21 = 12,057.12/x
  3. Step 3: Cross multiply
    31,789.26x = 47,634.21 × 12,057.12
  4. Step 4: Simplify right side
    31,789.26x = 574,331,386.08
  5. Step 5: Solve for x
    x = 574,331,386.08/31,789.26
  6. Step 6: Final answer
    x = 18,066.84

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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.