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Finding the Fourth Proportional to 35,573.64, 49,091.64 and 19,658.09

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Solution

The fourth proportional to 35,573.64, 49,091.64 and 19,658.09 is: 27,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,573.64 : 49,091.64 = 19,658.09 : x
  2. Step 2: Convert to fraction form
    35,573.64/49,091.64 = 19,658.09/x
  3. Step 3: Cross multiply
    35,573.64x = 49,091.64 × 19,658.09
  4. Step 4: Simplify right side
    35,573.64x = 965,047,877.37
  5. Step 5: Solve for x
    x = 965,047,877.37/35,573.64
  6. Step 6: Final answer
    x = 27,128.17

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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.