Home / 30,996.82-42,775.86-16,849.63

Finding the Fourth Proportional to 30,996.82, 42,775.86 and 16,849.63

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Solution

The fourth proportional to 30,996.82, 42,775.86 and 16,849.63 is: 23,252.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.82 : 42,775.86 = 16,849.63 : x
  2. Step 2: Convert to fraction form
    30,996.82/42,775.86 = 16,849.63/x
  3. Step 3: Cross multiply
    30,996.82x = 42,775.86 × 16,849.63
  4. Step 4: Simplify right side
    30,996.82x = 720,757,413.93
  5. Step 5: Solve for x
    x = 720,757,413.93/30,996.82
  6. Step 6: Final answer
    x = 23,252.62

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1.5x scale

Why These Related Problems?

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