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Finding the Fourth Proportional to 45.48, 68.48 and 32.04

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Solution

The fourth proportional to 45.48, 68.48 and 32.04 is: 48.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.48 : 68.48 = 32.04 : x
  2. Step 2: Convert to fraction form
    45.48/68.48 = 32.04/x
  3. Step 3: Cross multiply
    45.48x = 68.48 × 32.04
  4. Step 4: Simplify right side
    45.48x = 2,194.10
  5. Step 5: Solve for x
    x = 2,194.10/45.48
  6. Step 6: Final answer
    x = 48.24

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.