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Finding the Fourth Proportional to 32, 48.02 and 18.49

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Solution

The fourth proportional to 32, 48.02 and 18.49 is: 27.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32 : 48.02 = 18.49 : x
  2. Step 2: Convert to fraction form
    32/48.02 = 18.49/x
  3. Step 3: Cross multiply
    32x = 48.02 × 18.49
  4. Step 4: Simplify right side
    32x = 887.89
  5. Step 5: Solve for x
    x = 887.89/32
  6. Step 6: Final answer
    x = 27.75

Related Problems

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Double scale
Find fourth proportional to 33, 49.52 and 19.49
Similar ratio
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1.5x scale

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.