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Finding the Fourth Proportional to 45.07, 62.14 and 32.79

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Solution

The fourth proportional to 45.07, 62.14 and 32.79 is: 45.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.07 : 62.14 = 32.79 : x
  2. Step 2: Convert to fraction form
    45.07/62.14 = 32.79/x
  3. Step 3: Cross multiply
    45.07x = 62.14 × 32.79
  4. Step 4: Simplify right side
    45.07x = 2,037.57
  5. Step 5: Solve for x
    x = 2,037.57/45.07
  6. Step 6: Final answer
    x = 45.21

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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.