Home / 30,830.44-46,249.50-11,103.88

Finding the Fourth Proportional to 30,830.44, 46,249.50 and 11,103.88

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Solution

The fourth proportional to 30,830.44, 46,249.50 and 11,103.88 is: 16,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,830.44 : 46,249.50 = 11,103.88 : x
  2. Step 2: Convert to fraction form
    30,830.44/46,249.50 = 11,103.88/x
  3. Step 3: Cross multiply
    30,830.44x = 46,249.50 × 11,103.88
  4. Step 4: Simplify right side
    30,830.44x = 513,548,898.06
  5. Step 5: Solve for x
    x = 513,548,898.06/30,830.44
  6. Step 6: Final answer
    x = 16,657.20

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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.