Home / 39,764.69-59,645.48-13,469.43

Finding the Fourth Proportional to 39,764.69, 59,645.48 and 13,469.43

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Solution

The fourth proportional to 39,764.69, 59,645.48 and 13,469.43 is: 20,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,764.69 : 59,645.48 = 13,469.43 : x
  2. Step 2: Convert to fraction form
    39,764.69/59,645.48 = 13,469.43/x
  3. Step 3: Cross multiply
    39,764.69x = 59,645.48 × 13,469.43
  4. Step 4: Simplify right side
    39,764.69x = 803,390,550.33
  5. Step 5: Solve for x
    x = 803,390,550.33/39,764.69
  6. Step 6: Final answer
    x = 20,203.62

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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.