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Finding the Fourth Proportional to 64,271.82, 96,410.49 and 19,899.39

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Solution

The fourth proportional to 64,271.82, 96,410.49 and 19,899.39 is: 29,849.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,271.82 : 96,410.49 = 19,899.39 : x
  2. Step 2: Convert to fraction form
    64,271.82/96,410.49 = 19,899.39/x
  3. Step 3: Cross multiply
    64,271.82x = 96,410.49 × 19,899.39
  4. Step 4: Simplify right side
    64,271.82x = 1,918,509,940.60
  5. Step 5: Solve for x
    x = 1,918,509,940.60/64,271.82
  6. Step 6: Final answer
    x = 29,849.94

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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.