Home / 31,974.07-47,965.20-17,162.68

Finding the Fourth Proportional to 31,974.07, 47,965.20 and 17,162.68

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Solution

The fourth proportional to 31,974.07, 47,965.20 and 17,162.68 is: 25,746.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.07 : 47,965.20 = 17,162.68 : x
  2. Step 2: Convert to fraction form
    31,974.07/47,965.20 = 17,162.68/x
  3. Step 3: Cross multiply
    31,974.07x = 47,965.20 × 17,162.68
  4. Step 4: Simplify right side
    31,974.07x = 823,211,378.74
  5. Step 5: Solve for x
    x = 823,211,378.74/31,974.07
  6. Step 6: Final answer
    x = 25,746.22

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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.