Home / 31,783.44-47,696.52-17,002.80

Finding the Fourth Proportional to 31,783.44, 47,696.52 and 17,002.80

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Solution

The fourth proportional to 31,783.44, 47,696.52 and 17,002.80 is: 25,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,783.44 : 47,696.52 = 17,002.80 : x
  2. Step 2: Convert to fraction form
    31,783.44/47,696.52 = 17,002.80/x
  3. Step 3: Cross multiply
    31,783.44x = 47,696.52 × 17,002.80
  4. Step 4: Simplify right side
    31,783.44x = 810,974,390.26
  5. Step 5: Solve for x
    x = 810,974,390.26/31,783.44
  6. Step 6: Final answer
    x = 25,515.63

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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.