Home / 30,865.08-46,245.78-19,206.84

Finding the Fourth Proportional to 30,865.08, 46,245.78 and 19,206.84

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Solution

The fourth proportional to 30,865.08, 46,245.78 and 19,206.84 is: 28,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865.08 : 46,245.78 = 19,206.84 : x
  2. Step 2: Convert to fraction form
    30,865.08/46,245.78 = 19,206.84/x
  3. Step 3: Cross multiply
    30,865.08x = 46,245.78 × 19,206.84
  4. Step 4: Simplify right side
    30,865.08x = 888,235,297.14
  5. Step 5: Solve for x
    x = 888,235,297.14/30,865.08
  6. Step 6: Final answer
    x = 28,778.00

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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.