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Finding the Fourth Proportional to 30,894.77, 46,355.97 and 14,245.87

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Solution

The fourth proportional to 30,894.77, 46,355.97 and 14,245.87 is: 21,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,894.77 : 46,355.97 = 14,245.87 : x
  2. Step 2: Convert to fraction form
    30,894.77/46,355.97 = 14,245.87/x
  3. Step 3: Cross multiply
    30,894.77x = 46,355.97 × 14,245.87
  4. Step 4: Simplify right side
    30,894.77x = 660,381,122.34
  5. Step 5: Solve for x
    x = 660,381,122.34/30,894.77
  6. Step 6: Final answer
    x = 21,375.18

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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.