Home / 30,622.05-45,912.42-10,626.39

Finding the Fourth Proportional to 30,622.05, 45,912.42 and 10,626.39

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Solution

The fourth proportional to 30,622.05, 45,912.42 and 10,626.39 is: 15,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622.05 : 45,912.42 = 10,626.39 : x
  2. Step 2: Convert to fraction form
    30,622.05/45,912.42 = 10,626.39/x
  3. Step 3: Cross multiply
    30,622.05x = 45,912.42 × 10,626.39
  4. Step 4: Simplify right side
    30,622.05x = 487,883,280.76
  5. Step 5: Solve for x
    x = 487,883,280.76/30,622.05
  6. Step 6: Final answer
    x = 15,932.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.