Home / 33,012.63-45,556.49-18,865.44

Finding the Fourth Proportional to 33,012.63, 45,556.49 and 18,865.44

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Solution

The fourth proportional to 33,012.63, 45,556.49 and 18,865.44 is: 26,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,012.63 : 45,556.49 = 18,865.44 : x
  2. Step 2: Convert to fraction form
    33,012.63/45,556.49 = 18,865.44/x
  3. Step 3: Cross multiply
    33,012.63x = 45,556.49 × 18,865.44
  4. Step 4: Simplify right side
    33,012.63x = 859,443,275.87
  5. Step 5: Solve for x
    x = 859,443,275.87/33,012.63
  6. Step 6: Final answer
    x = 26,033.77

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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.