Home / 34,721.94-47,915.37-19,615.98

Finding the Fourth Proportional to 34,721.94, 47,915.37 and 19,615.98

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Solution

The fourth proportional to 34,721.94, 47,915.37 and 19,615.98 is: 27,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.94 : 47,915.37 = 19,615.98 : x
  2. Step 2: Convert to fraction form
    34,721.94/47,915.37 = 19,615.98/x
  3. Step 3: Cross multiply
    34,721.94x = 47,915.37 × 19,615.98
  4. Step 4: Simplify right side
    34,721.94x = 939,906,939.61
  5. Step 5: Solve for x
    x = 939,906,939.61/34,721.94
  6. Step 6: Final answer
    x = 27,069.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.