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Finding the Fourth Proportional to 46.05, 68.91 and 32.43

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Solution

The fourth proportional to 46.05, 68.91 and 32.43 is: 48.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46.05 : 68.91 = 32.43 : x
  2. Step 2: Convert to fraction form
    46.05/68.91 = 32.43/x
  3. Step 3: Cross multiply
    46.05x = 68.91 × 32.43
  4. Step 4: Simplify right side
    46.05x = 2,234.75
  5. Step 5: Solve for x
    x = 2,234.75/46.05
  6. Step 6: Final answer
    x = 48.53

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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.