Home / 34,719.36-47,912.94-18,804

Finding the Fourth Proportional to 34,719.36, 47,912.94 and 18,804

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Solution

The fourth proportional to 34,719.36, 47,912.94 and 18,804 is: 25,949.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,719.36 : 47,912.94 = 18,804 : x
  2. Step 2: Convert to fraction form
    34,719.36/47,912.94 = 18,804/x
  3. Step 3: Cross multiply
    34,719.36x = 47,912.94 × 18,804
  4. Step 4: Simplify right side
    34,719.36x = 900,954,923.76
  5. Step 5: Solve for x
    x = 900,954,923.76/34,719.36
  6. Step 6: Final answer
    x = 25,949.64

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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.