Home / 30,786.03-42,488.73-17,361.48

Finding the Fourth Proportional to 30,786.03, 42,488.73 and 17,361.48

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Solution

The fourth proportional to 30,786.03, 42,488.73 and 17,361.48 is: 23,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,786.03 : 42,488.73 = 17,361.48 : x
  2. Step 2: Convert to fraction form
    30,786.03/42,488.73 = 17,361.48/x
  3. Step 3: Cross multiply
    30,786.03x = 42,488.73 × 17,361.48
  4. Step 4: Simplify right side
    30,786.03x = 737,667,236.12
  5. Step 5: Solve for x
    x = 737,667,236.12/30,786.03
  6. Step 6: Final answer
    x = 23,961.10

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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.