Home / 31,703.78-43,750.67-17,556.32

Finding the Fourth Proportional to 31,703.78, 43,750.67 and 17,556.32

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Solution

The fourth proportional to 31,703.78, 43,750.67 and 17,556.32 is: 24,227.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.78 : 43,750.67 = 17,556.32 : x
  2. Step 2: Convert to fraction form
    31,703.78/43,750.67 = 17,556.32/x
  3. Step 3: Cross multiply
    31,703.78x = 43,750.67 × 17,556.32
  4. Step 4: Simplify right side
    31,703.78x = 768,100,456.20
  5. Step 5: Solve for x
    x = 768,100,456.20/31,703.78
  6. Step 6: Final answer
    x = 24,227.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.