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Finding the Fourth Proportional to 37.69, 51.99 and 24.77

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Solution

The fourth proportional to 37.69, 51.99 and 24.77 is: 34.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.69 : 51.99 = 24.77 : x
  2. Step 2: Convert to fraction form
    37.69/51.99 = 24.77/x
  3. Step 3: Cross multiply
    37.69x = 51.99 × 24.77
  4. Step 4: Simplify right side
    37.69x = 1,287.67
  5. Step 5: Solve for x
    x = 1,287.67/37.69
  6. Step 6: Final answer
    x = 34.16

Related Problems

Find fourth proportional to 18.85, 25.99 and 12.39
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Double scale
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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.