Home / 64,584.30-96,883.52-21,920.54

Finding the Fourth Proportional to 64,584.30, 96,883.52 and 21,920.54

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Solution

The fourth proportional to 64,584.30, 96,883.52 and 21,920.54 is: 32,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,584.30 : 96,883.52 = 21,920.54 : x
  2. Step 2: Convert to fraction form
    64,584.30/96,883.52 = 21,920.54/x
  3. Step 3: Cross multiply
    64,584.30x = 96,883.52 × 21,920.54
  4. Step 4: Simplify right side
    64,584.30x = 2,123,738,481.48
  5. Step 5: Solve for x
    x = 2,123,738,481.48/64,584.30
  6. Step 6: Final answer
    x = 32,883.20

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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.