Home / 64,129.82-96,205.26-19,755.60

Finding the Fourth Proportional to 64,129.82, 96,205.26 and 19,755.60

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Solution

The fourth proportional to 64,129.82, 96,205.26 and 19,755.60 is: 29,636.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,129.82 : 96,205.26 = 19,755.60 : x
  2. Step 2: Convert to fraction form
    64,129.82/96,205.26 = 19,755.60/x
  3. Step 3: Cross multiply
    64,129.82x = 96,205.26 × 19,755.60
  4. Step 4: Simplify right side
    64,129.82x = 1,900,592,634.46
  5. Step 5: Solve for x
    x = 1,900,592,634.46/64,129.82
  6. Step 6: Final answer
    x = 29,636.64

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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.