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Finding the Fourth Proportional to 35,409.83, 48,865.89 and 19,494.54

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Solution

The fourth proportional to 35,409.83, 48,865.89 and 19,494.54 is: 26,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,409.83 : 48,865.89 = 19,494.54 : x
  2. Step 2: Convert to fraction form
    35,409.83/48,865.89 = 19,494.54/x
  3. Step 3: Cross multiply
    35,409.83x = 48,865.89 × 19,494.54
  4. Step 4: Simplify right side
    35,409.83x = 952,618,047.24
  5. Step 5: Solve for x
    x = 952,618,047.24/35,409.83
  6. Step 6: Final answer
    x = 26,902.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.