Home / 30,961.42-46,458.52-13,443.54

Finding the Fourth Proportional to 30,961.42, 46,458.52 and 13,443.54

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Solution

The fourth proportional to 30,961.42, 46,458.52 and 13,443.54 is: 20,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,961.42 : 46,458.52 = 13,443.54 : x
  2. Step 2: Convert to fraction form
    30,961.42/46,458.52 = 13,443.54/x
  3. Step 3: Cross multiply
    30,961.42x = 46,458.52 × 13,443.54
  4. Step 4: Simplify right side
    30,961.42x = 624,566,971.96
  5. Step 5: Solve for x
    x = 624,566,971.96/30,961.42
  6. Step 6: Final answer
    x = 20,172.43

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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.