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Finding the Fourth Proportional to 50.75, 70.05 and 37

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Solution

The fourth proportional to 50.75, 70.05 and 37 is: 51.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.75 : 70.05 = 37 : x
  2. Step 2: Convert to fraction form
    50.75/70.05 = 37/x
  3. Step 3: Cross multiply
    50.75x = 70.05 × 37
  4. Step 4: Simplify right side
    50.75x = 2,591.85
  5. Step 5: Solve for x
    x = 2,591.85/50.75
  6. Step 6: Final answer
    x = 51.07

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Find fourth proportional to 25.38, 35.03 and 18.50
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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.