Home / 31,536.75-47,305.13-12,826.97

Finding the Fourth Proportional to 31,536.75, 47,305.13 and 12,826.97

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Solution

The fourth proportional to 31,536.75, 47,305.13 and 12,826.97 is: 19,240.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.75 : 47,305.13 = 12,826.97 : x
  2. Step 2: Convert to fraction form
    31,536.75/47,305.13 = 12,826.97/x
  3. Step 3: Cross multiply
    31,536.75x = 47,305.13 × 12,826.97
  4. Step 4: Simplify right side
    31,536.75x = 606,781,182.70
  5. Step 5: Solve for x
    x = 606,781,182.70/31,536.75
  6. Step 6: Final answer
    x = 19,240.45

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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.