Home / 30,821.04-46,231.68-7,447.44

Finding the Fourth Proportional to 30,821.04, 46,231.68 and 7,447.44

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Solution

The fourth proportional to 30,821.04, 46,231.68 and 7,447.44 is: 11,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821.04 : 46,231.68 = 7,447.44 : x
  2. Step 2: Convert to fraction form
    30,821.04/46,231.68 = 7,447.44/x
  3. Step 3: Cross multiply
    30,821.04x = 46,231.68 × 7,447.44
  4. Step 4: Simplify right side
    30,821.04x = 344,307,662.90
  5. Step 5: Solve for x
    x = 344,307,662.90/30,821.04
  6. Step 6: Final answer
    x = 11,171.19

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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.