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Finding the Fourth Proportional to 38.02, 56.90 and 32.02

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Solution

The fourth proportional to 38.02, 56.90 and 32.02 is: 47.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.02 : 56.90 = 32.02 : x
  2. Step 2: Convert to fraction form
    38.02/56.90 = 32.02/x
  3. Step 3: Cross multiply
    38.02x = 56.90 × 32.02
  4. Step 4: Simplify right side
    38.02x = 1,821.94
  5. Step 5: Solve for x
    x = 1,821.94/38.02
  6. Step 6: Final answer
    x = 47.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.