Home / 30,079.97-45,104.77-17,603.75

Finding the Fourth Proportional to 30,079.97, 45,104.77 and 17,603.75

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Solution

The fourth proportional to 30,079.97, 45,104.77 and 17,603.75 is: 26,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,079.97 : 45,104.77 = 17,603.75 : x
  2. Step 2: Convert to fraction form
    30,079.97/45,104.77 = 17,603.75/x
  3. Step 3: Cross multiply
    30,079.97x = 45,104.77 × 17,603.75
  4. Step 4: Simplify right side
    30,079.97x = 794,012,891.37
  5. Step 5: Solve for x
    x = 794,012,891.37/30,079.97
  6. Step 6: Final answer
    x = 26,396.73

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1.5x scale

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.