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Finding the Fourth Proportional to 50.76, 70 and 37.62

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Solution

The fourth proportional to 50.76, 70 and 37.62 is: 51.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50.76 : 70 = 37.62 : x
  2. Step 2: Convert to fraction form
    50.76/70 = 37.62/x
  3. Step 3: Cross multiply
    50.76x = 70 × 37.62
  4. Step 4: Simplify right side
    50.76x = 2,633.40
  5. Step 5: Solve for x
    x = 2,633.40/50.76
  6. Step 6: Final answer
    x = 51.88

Related Problems

Find fourth proportional to 25.38, 35 and 18.81
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Similar ratio
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1.5x scale

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.