Home / 30,849.30-46,278.81-11,132.69

Finding the Fourth Proportional to 30,849.30, 46,278.81 and 11,132.69

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Solution

The fourth proportional to 30,849.30, 46,278.81 and 11,132.69 is: 16,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,849.30 : 46,278.81 = 11,132.69 : x
  2. Step 2: Convert to fraction form
    30,849.30/46,278.81 = 11,132.69/x
  3. Step 3: Cross multiply
    30,849.30x = 46,278.81 × 11,132.69
  4. Step 4: Simplify right side
    30,849.30x = 515,207,413.90
  5. Step 5: Solve for x
    x = 515,207,413.90/30,849.30
  6. Step 6: Final answer
    x = 16,700.78

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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.