Home / 29,148.82-43,723.12-12,498.05

Finding the Fourth Proportional to 29,148.82, 43,723.12 and 12,498.05

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Solution

The fourth proportional to 29,148.82, 43,723.12 and 12,498.05 is: 18,747.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.82 : 43,723.12 = 12,498.05 : x
  2. Step 2: Convert to fraction form
    29,148.82/43,723.12 = 12,498.05/x
  3. Step 3: Cross multiply
    29,148.82x = 43,723.12 × 12,498.05
  4. Step 4: Simplify right side
    29,148.82x = 546,453,739.92
  5. Step 5: Solve for x
    x = 546,453,739.92/29,148.82
  6. Step 6: Final answer
    x = 18,747.03

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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.