Home / 51,745.52-71,414.73-28,777.63

Finding the Fourth Proportional to 51,745.52, 71,414.73 and 28,777.63

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Solution

The fourth proportional to 51,745.52, 71,414.73 and 28,777.63 is: 39,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,745.52 : 71,414.73 = 28,777.63 : x
  2. Step 2: Convert to fraction form
    51,745.52/71,414.73 = 28,777.63/x
  3. Step 3: Cross multiply
    51,745.52x = 71,414.73 × 28,777.63
  4. Step 4: Simplify right side
    51,745.52x = 2,055,146,497.95
  5. Step 5: Solve for x
    x = 2,055,146,497.95/51,745.52
  6. Step 6: Final answer
    x = 39,716.42

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Half scale
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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.