Home / 64,299.57-96,474.65-19,929.75

Finding the Fourth Proportional to 64,299.57, 96,474.65 and 19,929.75

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Solution

The fourth proportional to 64,299.57, 96,474.65 and 19,929.75 is: 29,902.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,299.57 : 96,474.65 = 19,929.75 : x
  2. Step 2: Convert to fraction form
    64,299.57/96,474.65 = 19,929.75/x
  3. Step 3: Cross multiply
    64,299.57x = 96,474.65 × 19,929.75
  4. Step 4: Simplify right side
    64,299.57x = 1,922,715,556.19
  5. Step 5: Solve for x
    x = 1,922,715,556.19/64,299.57
  6. Step 6: Final answer
    x = 29,902.46

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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.