Home / 51,014.31-76,500.96-19,413.52

Finding the Fourth Proportional to 51,014.31, 76,500.96 and 19,413.52

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Solution

The fourth proportional to 51,014.31, 76,500.96 and 19,413.52 is: 29,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,014.31 : 76,500.96 = 19,413.52 : x
  2. Step 2: Convert to fraction form
    51,014.31/76,500.96 = 19,413.52/x
  3. Step 3: Cross multiply
    51,014.31x = 76,500.96 × 19,413.52
  4. Step 4: Simplify right side
    51,014.31x = 1,485,153,083.24
  5. Step 5: Solve for x
    x = 1,485,153,083.24/51,014.31
  6. Step 6: Final answer
    x = 29,112.48

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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.