Home / 31,175.21-46,781.26-11,467.60

Finding the Fourth Proportional to 31,175.21, 46,781.26 and 11,467.60

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Solution

The fourth proportional to 31,175.21, 46,781.26 and 11,467.60 is: 17,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,175.21 : 46,781.26 = 11,467.60 : x
  2. Step 2: Convert to fraction form
    31,175.21/46,781.26 = 11,467.60/x
  3. Step 3: Cross multiply
    31,175.21x = 46,781.26 × 11,467.60
  4. Step 4: Simplify right side
    31,175.21x = 536,468,631.55
  5. Step 5: Solve for x
    x = 536,468,631.55/31,175.21
  6. Step 6: Final answer
    x = 17,208.18

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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.