Home / 30,311.89-45,467.83-9,252.04

Finding the Fourth Proportional to 30,311.89, 45,467.83 and 9,252.04

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Solution

The fourth proportional to 30,311.89, 45,467.83 and 9,252.04 is: 13,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.89 : 45,467.83 = 9,252.04 : x
  2. Step 2: Convert to fraction form
    30,311.89/45,467.83 = 9,252.04/x
  3. Step 3: Cross multiply
    30,311.89x = 45,467.83 × 9,252.04
  4. Step 4: Simplify right side
    30,311.89x = 420,670,181.87
  5. Step 5: Solve for x
    x = 420,670,181.87/30,311.89
  6. Step 6: Final answer
    x = 13,878.06

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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.