Home / 31,696.31-47,526.68-21,712.34

Finding the Fourth Proportional to 31,696.31, 47,526.68 and 21,712.34

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Solution

The fourth proportional to 31,696.31, 47,526.68 and 21,712.34 is: 32,556.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696.31 : 47,526.68 = 21,712.34 : x
  2. Step 2: Convert to fraction form
    31,696.31/47,526.68 = 21,712.34/x
  3. Step 3: Cross multiply
    31,696.31x = 47,526.68 × 21,712.34
  4. Step 4: Simplify right side
    31,696.31x = 1,031,915,608.33
  5. Step 5: Solve for x
    x = 1,031,915,608.33/31,696.31
  6. Step 6: Final answer
    x = 32,556.33

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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.