Home / 30,132.23-45,198.41-9,072.33

Finding the Fourth Proportional to 30,132.23, 45,198.41 and 9,072.33

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Solution

The fourth proportional to 30,132.23, 45,198.41 and 9,072.33 is: 13,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132.23 : 45,198.41 = 9,072.33 : x
  2. Step 2: Convert to fraction form
    30,132.23/45,198.41 = 9,072.33/x
  3. Step 3: Cross multiply
    30,132.23x = 45,198.41 × 9,072.33
  4. Step 4: Simplify right side
    30,132.23x = 410,054,744.18
  5. Step 5: Solve for x
    x = 410,054,744.18/30,132.23
  6. Step 6: Final answer
    x = 13,608.51

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1.5x scale

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.