Home / 31,470.97-47,214.57-11,749.69

Finding the Fourth Proportional to 31,470.97, 47,214.57 and 11,749.69

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Solution

The fourth proportional to 31,470.97, 47,214.57 and 11,749.69 is: 17,627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470.97 : 47,214.57 = 11,749.69 : x
  2. Step 2: Convert to fraction form
    31,470.97/47,214.57 = 11,749.69/x
  3. Step 3: Cross multiply
    31,470.97x = 47,214.57 × 11,749.69
  4. Step 4: Simplify right side
    31,470.97x = 554,756,560.98
  5. Step 5: Solve for x
    x = 554,756,560.98/31,470.97
  6. Step 6: Final answer
    x = 17,627.56

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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.