Home / 45,474.67-68,241.18-30,498.69

Finding the Fourth Proportional to 45,474.67, 68,241.18 and 30,498.69

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Solution

The fourth proportional to 45,474.67, 68,241.18 and 30,498.69 is: 45,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,474.67 : 68,241.18 = 30,498.69 : x
  2. Step 2: Convert to fraction form
    45,474.67/68,241.18 = 30,498.69/x
  3. Step 3: Cross multiply
    45,474.67x = 68,241.18 × 30,498.69
  4. Step 4: Simplify right side
    45,474.67x = 2,081,266,676.44
  5. Step 5: Solve for x
    x = 2,081,266,676.44/45,474.67
  6. Step 6: Final answer
    x = 45,767.61

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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.