Home / 30,473.09-45,714.74-10,481.78

Finding the Fourth Proportional to 30,473.09, 45,714.74 and 10,481.78

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Solution

The fourth proportional to 30,473.09, 45,714.74 and 10,481.78 is: 15,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,473.09 : 45,714.74 = 10,481.78 : x
  2. Step 2: Convert to fraction form
    30,473.09/45,714.74 = 10,481.78/x
  3. Step 3: Cross multiply
    30,473.09x = 45,714.74 × 10,481.78
  4. Step 4: Simplify right side
    30,473.09x = 479,171,847.44
  5. Step 5: Solve for x
    x = 479,171,847.44/30,473.09
  6. Step 6: Final answer
    x = 15,724.43

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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.