Home / 30,920.51-46,380.87-7,546.95

Finding the Fourth Proportional to 30,920.51, 46,380.87 and 7,546.95

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Solution

The fourth proportional to 30,920.51, 46,380.87 and 7,546.95 is: 11,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,920.51 : 46,380.87 = 7,546.95 : x
  2. Step 2: Convert to fraction form
    30,920.51/46,380.87 = 7,546.95/x
  3. Step 3: Cross multiply
    30,920.51x = 46,380.87 × 7,546.95
  4. Step 4: Simplify right side
    30,920.51x = 350,033,874.94
  5. Step 5: Solve for x
    x = 350,033,874.94/30,920.51
  6. Step 6: Final answer
    x = 11,320.44

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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.