Home / 30,474.09-45,689.67-11,738.43

Finding the Fourth Proportional to 30,474.09, 45,689.67 and 11,738.43

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Solution

The fourth proportional to 30,474.09, 45,689.67 and 11,738.43 is: 17,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474.09 : 45,689.67 = 11,738.43 : x
  2. Step 2: Convert to fraction form
    30,474.09/45,689.67 = 11,738.43/x
  3. Step 3: Cross multiply
    30,474.09x = 45,689.67 × 11,738.43
  4. Step 4: Simplify right side
    30,474.09x = 536,324,993.02
  5. Step 5: Solve for x
    x = 536,324,993.02/30,474.09
  6. Step 6: Final answer
    x = 17,599.38

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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.