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Finding the Fourth Proportional to 32.24, 48.37 and 19.41

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Solution

The fourth proportional to 32.24, 48.37 and 19.41 is: 29.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.24 : 48.37 = 19.41 : x
  2. Step 2: Convert to fraction form
    32.24/48.37 = 19.41/x
  3. Step 3: Cross multiply
    32.24x = 48.37 × 19.41
  4. Step 4: Simplify right side
    32.24x = 938.86
  5. Step 5: Solve for x
    x = 938.86/32.24
  6. Step 6: Final answer
    x = 29.12

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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.