Home / 34,721.56-47,915.76-18,805.96

Finding the Fourth Proportional to 34,721.56, 47,915.76 and 18,805.96

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Solution

The fourth proportional to 34,721.56, 47,915.76 and 18,805.96 is: 25,952.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,721.56 : 47,915.76 = 18,805.96 : x
  2. Step 2: Convert to fraction form
    34,721.56/47,915.76 = 18,805.96/x
  3. Step 3: Cross multiply
    34,721.56x = 47,915.76 × 18,805.96
  4. Step 4: Simplify right side
    34,721.56x = 901,101,865.93
  5. Step 5: Solve for x
    x = 901,101,865.93/34,721.56
  6. Step 6: Final answer
    x = 25,952.23

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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.