Home / 34,520.76-51,780.62-15,531.99

Finding the Fourth Proportional to 34,520.76, 51,780.62 and 15,531.99

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Solution

The fourth proportional to 34,520.76, 51,780.62 and 15,531.99 is: 23,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,520.76 : 51,780.62 = 15,531.99 : x
  2. Step 2: Convert to fraction form
    34,520.76/51,780.62 = 15,531.99/x
  3. Step 3: Cross multiply
    34,520.76x = 51,780.62 × 15,531.99
  4. Step 4: Simplify right side
    34,520.76x = 804,256,072.03
  5. Step 5: Solve for x
    x = 804,256,072.03/34,520.76
  6. Step 6: Final answer
    x = 23,297.75

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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.