Home / 38,379.85-57,623.58-19,673.30

Finding the Fourth Proportional to 38,379.85, 57,623.58 and 19,673.30

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Solution

The fourth proportional to 38,379.85, 57,623.58 and 19,673.30 is: 29,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,379.85 : 57,623.58 = 19,673.30 : x
  2. Step 2: Convert to fraction form
    38,379.85/57,623.58 = 19,673.30/x
  3. Step 3: Cross multiply
    38,379.85x = 57,623.58 × 19,673.30
  4. Step 4: Simplify right side
    38,379.85x = 1,133,646,120.47
  5. Step 5: Solve for x
    x = 1,133,646,120.47/38,379.85
  6. Step 6: Final answer
    x = 29,537.54

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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.