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Finding the Fourth Proportional to 29,806.05, 44,709.01 and 7,619.43

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Solution

The fourth proportional to 29,806.05, 44,709.01 and 7,619.43 is: 11,429.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,806.05 : 44,709.01 = 7,619.43 : x
  2. Step 2: Convert to fraction form
    29,806.05/44,709.01 = 7,619.43/x
  3. Step 3: Cross multiply
    29,806.05x = 44,709.01 × 7,619.43
  4. Step 4: Simplify right side
    29,806.05x = 340,657,172.06
  5. Step 5: Solve for x
    x = 340,657,172.06/29,806.05
  6. Step 6: Final answer
    x = 11,429.13

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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.