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Finding the Fourth Proportional to 55,963.68, 83,906.64 and 26,356.56

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Solution

The fourth proportional to 55,963.68, 83,906.64 and 26,356.56 is: 39,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,963.68 : 83,906.64 = 26,356.56 : x
  2. Step 2: Convert to fraction form
    55,963.68/83,906.64 = 26,356.56/x
  3. Step 3: Cross multiply
    55,963.68x = 83,906.64 × 26,356.56
  4. Step 4: Simplify right side
    55,963.68x = 2,211,490,391.56
  5. Step 5: Solve for x
    x = 2,211,490,391.56/55,963.68
  6. Step 6: Final answer
    x = 39,516.53

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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.