Home / 30,132.30-45,198.21-9,072.27

Finding the Fourth Proportional to 30,132.30, 45,198.21 and 9,072.27

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Solution

The fourth proportional to 30,132.30, 45,198.21 and 9,072.27 is: 13,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132.30 : 45,198.21 = 9,072.27 : x
  2. Step 2: Convert to fraction form
    30,132.30/45,198.21 = 9,072.27/x
  3. Step 3: Cross multiply
    30,132.30x = 45,198.21 × 9,072.27
  4. Step 4: Simplify right side
    30,132.30x = 410,050,364.64
  5. Step 5: Solve for x
    x = 410,050,364.64/30,132.30
  6. Step 6: Final answer
    x = 13,608.33

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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.