Home / 65,635.83-98,433.09-21,252.33

Finding the Fourth Proportional to 65,635.83, 98,433.09 and 21,252.33

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Solution

The fourth proportional to 65,635.83, 98,433.09 and 21,252.33 is: 31,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,635.83 : 98,433.09 = 21,252.33 : x
  2. Step 2: Convert to fraction form
    65,635.83/98,433.09 = 21,252.33/x
  3. Step 3: Cross multiply
    65,635.83x = 98,433.09 × 21,252.33
  4. Step 4: Simplify right side
    65,635.83x = 2,091,932,511.60
  5. Step 5: Solve for x
    x = 2,091,932,511.60/65,635.83
  6. Step 6: Final answer
    x = 31,871.81

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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.