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Finding the Fourth Proportional to 24.51, 36.60 and 20.01

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Solution

The fourth proportional to 24.51, 36.60 and 20.01 is: 29.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.51 : 36.60 = 20.01 : x
  2. Step 2: Convert to fraction form
    24.51/36.60 = 20.01/x
  3. Step 3: Cross multiply
    24.51x = 36.60 × 20.01
  4. Step 4: Simplify right side
    24.51x = 732.37
  5. Step 5: Solve for x
    x = 732.37/24.51
  6. Step 6: Final answer
    x = 29.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.