Home / 30,714.03-42,413.36-23,147.42

Finding the Fourth Proportional to 30,714.03, 42,413.36 and 23,147.42

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Solution

The fourth proportional to 30,714.03, 42,413.36 and 23,147.42 is: 31,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,714.03 : 42,413.36 = 23,147.42 : x
  2. Step 2: Convert to fraction form
    30,714.03/42,413.36 = 23,147.42/x
  3. Step 3: Cross multiply
    30,714.03x = 42,413.36 × 23,147.42
  4. Step 4: Simplify right side
    30,714.03x = 981,759,529.73
  5. Step 5: Solve for x
    x = 981,759,529.73/30,714.03
  6. Step 6: Final answer
    x = 31,964.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.