Home / 39,696.56-59,556.53-15,991.91

Finding the Fourth Proportional to 39,696.56, 59,556.53 and 15,991.91

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Solution

The fourth proportional to 39,696.56, 59,556.53 and 15,991.91 is: 23,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,696.56 : 59,556.53 = 15,991.91 : x
  2. Step 2: Convert to fraction form
    39,696.56/59,556.53 = 15,991.91/x
  3. Step 3: Cross multiply
    39,696.56x = 59,556.53 × 15,991.91
  4. Step 4: Simplify right side
    39,696.56x = 952,422,409.87
  5. Step 5: Solve for x
    x = 952,422,409.87/39,696.56
  6. Step 6: Final answer
    x = 23,992.57

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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.