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Finding the Fourth Proportional to 58.95, 81.35 and 32.73

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Solution

The fourth proportional to 58.95, 81.35 and 32.73 is: 45.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58.95 : 81.35 = 32.73 : x
  2. Step 2: Convert to fraction form
    58.95/81.35 = 32.73/x
  3. Step 3: Cross multiply
    58.95x = 81.35 × 32.73
  4. Step 4: Simplify right side
    58.95x = 2,662.18
  5. Step 5: Solve for x
    x = 2,662.18/58.95
  6. Step 6: Final answer
    x = 45.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.