Home / 34,694.22-47,877.87-18,778.95

Finding the Fourth Proportional to 34,694.22, 47,877.87 and 18,778.95

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Solution

The fourth proportional to 34,694.22, 47,877.87 and 18,778.95 is: 25,914.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,694.22 : 47,877.87 = 18,778.95 : x
  2. Step 2: Convert to fraction form
    34,694.22/47,877.87 = 18,778.95/x
  3. Step 3: Cross multiply
    34,694.22x = 47,877.87 × 18,778.95
  4. Step 4: Simplify right side
    34,694.22x = 899,096,126.84
  5. Step 5: Solve for x
    x = 899,096,126.84/34,694.22
  6. Step 6: Final answer
    x = 25,914.87

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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.