Home / 45,046.46-67,468.17-21,690.38

Finding the Fourth Proportional to 45,046.46, 67,468.17 and 21,690.38

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Solution

The fourth proportional to 45,046.46, 67,468.17 and 21,690.38 is: 32,486.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,046.46 : 67,468.17 = 21,690.38 : x
  2. Step 2: Convert to fraction form
    45,046.46/67,468.17 = 21,690.38/x
  3. Step 3: Cross multiply
    45,046.46x = 67,468.17 × 21,690.38
  4. Step 4: Simplify right side
    45,046.46x = 1,463,410,245.20
  5. Step 5: Solve for x
    x = 1,463,410,245.20/45,046.46
  6. Step 6: Final answer
    x = 32,486.69

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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.