Home / 64,115.37-96,138.09-19,730.34

Finding the Fourth Proportional to 64,115.37, 96,138.09 and 19,730.34

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Solution

The fourth proportional to 64,115.37, 96,138.09 and 19,730.34 is: 29,584.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,115.37 : 96,138.09 = 19,730.34 : x
  2. Step 2: Convert to fraction form
    64,115.37/96,138.09 = 19,730.34/x
  3. Step 3: Cross multiply
    64,115.37x = 96,138.09 × 19,730.34
  4. Step 4: Simplify right side
    64,115.37x = 1,896,837,202.65
  5. Step 5: Solve for x
    x = 1,896,837,202.65/64,115.37
  6. Step 6: Final answer
    x = 29,584.75

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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.