Home / 34,413.31-51,489.51-20,380.87

Finding the Fourth Proportional to 34,413.31, 51,489.51 and 20,380.87

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Solution

The fourth proportional to 34,413.31, 51,489.51 and 20,380.87 is: 30,494.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,413.31 : 51,489.51 = 20,380.87 : x
  2. Step 2: Convert to fraction form
    34,413.31/51,489.51 = 20,380.87/x
  3. Step 3: Cross multiply
    34,413.31x = 51,489.51 × 20,380.87
  4. Step 4: Simplify right side
    34,413.31x = 1,049,401,009.67
  5. Step 5: Solve for x
    x = 1,049,401,009.67/34,413.31
  6. Step 6: Final answer
    x = 30,494.04

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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.