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Finding the Fourth Proportional to 33.42, 45.93 and 32.10

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Solution

The fourth proportional to 33.42, 45.93 and 32.10 is: 44.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.42 : 45.93 = 32.10 : x
  2. Step 2: Convert to fraction form
    33.42/45.93 = 32.10/x
  3. Step 3: Cross multiply
    33.42x = 45.93 × 32.10
  4. Step 4: Simplify right side
    33.42x = 1,474.35
  5. Step 5: Solve for x
    x = 1,474.35/33.42
  6. Step 6: Final answer
    x = 44.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.