Home / 64,287.53-96,456.65-19,917.73

Finding the Fourth Proportional to 64,287.53, 96,456.65 and 19,917.73

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Solution

The fourth proportional to 64,287.53, 96,456.65 and 19,917.73 is: 29,884.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,287.53 : 96,456.65 = 19,917.73 : x
  2. Step 2: Convert to fraction form
    64,287.53/96,456.65 = 19,917.73/x
  3. Step 3: Cross multiply
    64,287.53x = 96,456.65 × 19,917.73
  4. Step 4: Simplify right side
    64,287.53x = 1,921,197,170.67
  5. Step 5: Solve for x
    x = 1,921,197,170.67/64,287.53
  6. Step 6: Final answer
    x = 29,884.45

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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.