Home / 31,282.82-46,930.36-13,752.60

Finding the Fourth Proportional to 31,282.82, 46,930.36 and 13,752.60

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Solution

The fourth proportional to 31,282.82, 46,930.36 and 13,752.60 is: 20,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.82 : 46,930.36 = 13,752.60 : x
  2. Step 2: Convert to fraction form
    31,282.82/46,930.36 = 13,752.60/x
  3. Step 3: Cross multiply
    31,282.82x = 46,930.36 × 13,752.60
  4. Step 4: Simplify right side
    31,282.82x = 645,414,468.94
  5. Step 5: Solve for x
    x = 645,414,468.94/31,282.82
  6. Step 6: Final answer
    x = 20,631.59

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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.