Home / 30,910.87-46,323.93-20,364.97

Finding the Fourth Proportional to 30,910.87, 46,323.93 and 20,364.97

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Solution

The fourth proportional to 30,910.87, 46,323.93 and 20,364.97 is: 30,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,910.87 : 46,323.93 = 20,364.97 : x
  2. Step 2: Convert to fraction form
    30,910.87/46,323.93 = 20,364.97/x
  3. Step 3: Cross multiply
    30,910.87x = 46,323.93 × 20,364.97
  4. Step 4: Simplify right side
    30,910.87x = 943,385,444.73
  5. Step 5: Solve for x
    x = 943,385,444.73/30,910.87
  6. Step 6: Final answer
    x = 30,519.54

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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.