Home / 29,106.99-43,634.48-12,458.45

Finding the Fourth Proportional to 29,106.99, 43,634.48 and 12,458.45

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Solution

The fourth proportional to 29,106.99, 43,634.48 and 12,458.45 is: 18,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,106.99 : 43,634.48 = 12,458.45 : x
  2. Step 2: Convert to fraction form
    29,106.99/43,634.48 = 12,458.45/x
  3. Step 3: Cross multiply
    29,106.99x = 43,634.48 × 12,458.45
  4. Step 4: Simplify right side
    29,106.99x = 543,618,034.15
  5. Step 5: Solve for x
    x = 543,618,034.15/29,106.99
  6. Step 6: Final answer
    x = 18,676.55

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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.