Home / 38,469.69-57,730.31-13,509.83

Finding the Fourth Proportional to 38,469.69, 57,730.31 and 13,509.83

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Solution

The fourth proportional to 38,469.69, 57,730.31 and 13,509.83 is: 20,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,469.69 : 57,730.31 = 13,509.83 : x
  2. Step 2: Convert to fraction form
    38,469.69/57,730.31 = 13,509.83/x
  3. Step 3: Cross multiply
    38,469.69x = 57,730.31 × 13,509.83
  4. Step 4: Simplify right side
    38,469.69x = 779,926,317.75
  5. Step 5: Solve for x
    x = 779,926,317.75/38,469.69
  6. Step 6: Final answer
    x = 20,273.79

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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.