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Finding the Fourth Proportional to 45,296.56, 67,944.84 and 14,134.24

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Solution

The fourth proportional to 45,296.56, 67,944.84 and 14,134.24 is: 21,201.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,296.56 : 67,944.84 = 14,134.24 : x
  2. Step 2: Convert to fraction form
    45,296.56/67,944.84 = 14,134.24/x
  3. Step 3: Cross multiply
    45,296.56x = 67,944.84 × 14,134.24
  4. Step 4: Simplify right side
    45,296.56x = 960,348,675.32
  5. Step 5: Solve for x
    x = 960,348,675.32/45,296.56
  6. Step 6: Final answer
    x = 21,201.36

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.