Home / 64,161.96-96,207.48-19,776.36

Finding the Fourth Proportional to 64,161.96, 96,207.48 and 19,776.36

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Solution

The fourth proportional to 64,161.96, 96,207.48 and 19,776.36 is: 29,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,161.96 : 96,207.48 = 19,776.36 : x
  2. Step 2: Convert to fraction form
    64,161.96/96,207.48 = 19,776.36/x
  3. Step 3: Cross multiply
    64,161.96x = 96,207.48 × 19,776.36
  4. Step 4: Simplify right side
    64,161.96x = 1,902,633,759.17
  5. Step 5: Solve for x
    x = 1,902,633,759.17/64,161.96
  6. Step 6: Final answer
    x = 29,653.61

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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.