Home / 31,794.04-47,696.56-13,084.36

Finding the Fourth Proportional to 31,794.04, 47,696.56 and 13,084.36

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Solution

The fourth proportional to 31,794.04, 47,696.56 and 13,084.36 is: 19,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,794.04 : 47,696.56 = 13,084.36 : x
  2. Step 2: Convert to fraction form
    31,794.04/47,696.56 = 13,084.36/x
  3. Step 3: Cross multiply
    31,794.04x = 47,696.56 × 13,084.36
  4. Step 4: Simplify right side
    31,794.04x = 624,078,961.80
  5. Step 5: Solve for x
    x = 624,078,961.80/31,794.04
  6. Step 6: Final answer
    x = 19,628.80

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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.