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Finding the Fourth Proportional to 49.59, 74.37 and 17.08

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Solution

The fourth proportional to 49.59, 74.37 and 17.08 is: 25.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.59 : 74.37 = 17.08 : x
  2. Step 2: Convert to fraction form
    49.59/74.37 = 17.08/x
  3. Step 3: Cross multiply
    49.59x = 74.37 × 17.08
  4. Step 4: Simplify right side
    49.59x = 1,270.44
  5. Step 5: Solve for x
    x = 1,270.44/49.59
  6. Step 6: Final answer
    x = 25.62

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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.