Home / 30,855.52-46,273.70-11,131.51

Finding the Fourth Proportional to 30,855.52, 46,273.70 and 11,131.51

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Solution

The fourth proportional to 30,855.52, 46,273.70 and 11,131.51 is: 16,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.52 : 46,273.70 = 11,131.51 : x
  2. Step 2: Convert to fraction form
    30,855.52/46,273.70 = 11,131.51/x
  3. Step 3: Cross multiply
    30,855.52x = 46,273.70 × 11,131.51
  4. Step 4: Simplify right side
    30,855.52x = 515,096,066.43
  5. Step 5: Solve for x
    x = 515,096,066.43/30,855.52
  6. Step 6: Final answer
    x = 16,693.81

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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.