Home / 31,772.97-47,657.39-13,048.16

Finding the Fourth Proportional to 31,772.97, 47,657.39 and 13,048.16

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Solution

The fourth proportional to 31,772.97, 47,657.39 and 13,048.16 is: 19,571.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,772.97 : 47,657.39 = 13,048.16 : x
  2. Step 2: Convert to fraction form
    31,772.97/47,657.39 = 13,048.16/x
  3. Step 3: Cross multiply
    31,772.97x = 47,657.39 × 13,048.16
  4. Step 4: Simplify right side
    31,772.97x = 621,840,946.37
  5. Step 5: Solve for x
    x = 621,840,946.37/31,772.97
  6. Step 6: Final answer
    x = 19,571.38

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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.