Home / 64,115.26-96,181.98-19,745.62

Finding the Fourth Proportional to 64,115.26, 96,181.98 and 19,745.62

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Solution

The fourth proportional to 64,115.26, 96,181.98 and 19,745.62 is: 29,621.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,115.26 : 96,181.98 = 19,745.62 : x
  2. Step 2: Convert to fraction form
    64,115.26/96,181.98 = 19,745.62/x
  3. Step 3: Cross multiply
    64,115.26x = 96,181.98 × 19,745.62
  4. Step 4: Simplify right side
    64,115.26x = 1,899,172,827.93
  5. Step 5: Solve for x
    x = 1,899,172,827.93/64,115.26
  6. Step 6: Final answer
    x = 29,621.23

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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.