Home / 45,508.44-68,262.66-17,787

Finding the Fourth Proportional to 45,508.44, 68,262.66 and 17,787

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Solution

The fourth proportional to 45,508.44, 68,262.66 and 17,787 is: 26,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,508.44 : 68,262.66 = 17,787 : x
  2. Step 2: Convert to fraction form
    45,508.44/68,262.66 = 17,787/x
  3. Step 3: Cross multiply
    45,508.44x = 68,262.66 × 17,787
  4. Step 4: Simplify right side
    45,508.44x = 1,214,187,933.42
  5. Step 5: Solve for x
    x = 1,214,187,933.42/45,508.44
  6. Step 6: Final answer
    x = 26,680.50

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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.