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Finding the Fourth Proportional to 29,679.92, 44,451.84 and 19,260.08

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Solution

The fourth proportional to 29,679.92, 44,451.84 and 19,260.08 is: 28,845.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,679.92 : 44,451.84 = 19,260.08 : x
  2. Step 2: Convert to fraction form
    29,679.92/44,451.84 = 19,260.08/x
  3. Step 3: Cross multiply
    29,679.92x = 44,451.84 × 19,260.08
  4. Step 4: Simplify right side
    29,679.92x = 856,145,994.55
  5. Step 5: Solve for x
    x = 856,145,994.55/29,679.92
  6. Step 6: Final answer
    x = 28,845.97

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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.