Home / 30,855.42-46,273.55-11,131.43

Finding the Fourth Proportional to 30,855.42, 46,273.55 and 11,131.43

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Solution

The fourth proportional to 30,855.42, 46,273.55 and 11,131.43 is: 16,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.42 : 46,273.55 = 11,131.43 : x
  2. Step 2: Convert to fraction form
    30,855.42/46,273.55 = 11,131.43/x
  3. Step 3: Cross multiply
    30,855.42x = 46,273.55 × 11,131.43
  4. Step 4: Simplify right side
    30,855.42x = 515,090,495.65
  5. Step 5: Solve for x
    x = 515,090,495.65/30,855.42
  6. Step 6: Final answer
    x = 16,693.68

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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.