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Finding the Fourth Proportional to 40,606.43, 60,894.44 and 13,944.84

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Solution

The fourth proportional to 40,606.43, 60,894.44 and 13,944.84 is: 20,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,606.43 : 60,894.44 = 13,944.84 : x
  2. Step 2: Convert to fraction form
    40,606.43/60,894.44 = 13,944.84/x
  3. Step 3: Cross multiply
    40,606.43x = 60,894.44 × 13,944.84
  4. Step 4: Simplify right side
    40,606.43x = 849,163,152.97
  5. Step 5: Solve for x
    x = 849,163,152.97/40,606.43
  6. Step 6: Final answer
    x = 20,912.04

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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.