Home / 30,736.26-42,420.16-17,993.34

Finding the Fourth Proportional to 30,736.26, 42,420.16 and 17,993.34

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Solution

The fourth proportional to 30,736.26, 42,420.16 and 17,993.34 is: 24,833.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,736.26 : 42,420.16 = 17,993.34 : x
  2. Step 2: Convert to fraction form
    30,736.26/42,420.16 = 17,993.34/x
  3. Step 3: Cross multiply
    30,736.26x = 42,420.16 × 17,993.34
  4. Step 4: Simplify right side
    30,736.26x = 763,280,361.73
  5. Step 5: Solve for x
    x = 763,280,361.73/30,736.26
  6. Step 6: Final answer
    x = 24,833.22

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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.