Home / 30,919.68-46,249.41-28,676.19

Finding the Fourth Proportional to 30,919.68, 46,249.41 and 28,676.19

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Solution

The fourth proportional to 30,919.68, 46,249.41 and 28,676.19 is: 42,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919.68 : 46,249.41 = 28,676.19 : x
  2. Step 2: Convert to fraction form
    30,919.68/46,249.41 = 28,676.19/x
  3. Step 3: Cross multiply
    30,919.68x = 46,249.41 × 28,676.19
  4. Step 4: Simplify right side
    30,919.68x = 1,326,256,868.55
  5. Step 5: Solve for x
    x = 1,326,256,868.55/30,919.68
  6. Step 6: Final answer
    x = 42,893.62

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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.