Home / 30,919.62-42,661.99-17,487.95

Finding the Fourth Proportional to 30,919.62, 42,661.99 and 17,487.95

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Solution

The fourth proportional to 30,919.62, 42,661.99 and 17,487.95 is: 24,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919.62 : 42,661.99 = 17,487.95 : x
  2. Step 2: Convert to fraction form
    30,919.62/42,661.99 = 17,487.95/x
  3. Step 3: Cross multiply
    30,919.62x = 42,661.99 × 17,487.95
  4. Step 4: Simplify right side
    30,919.62x = 746,070,796.54
  5. Step 5: Solve for x
    x = 746,070,796.54/30,919.62
  6. Step 6: Final answer
    x = 24,129.36

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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.