Home / 39,108.26-53,968.69-22,112.21

Finding the Fourth Proportional to 39,108.26, 53,968.69 and 22,112.21

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Solution

The fourth proportional to 39,108.26, 53,968.69 and 22,112.21 is: 30,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,108.26 : 53,968.69 = 22,112.21 : x
  2. Step 2: Convert to fraction form
    39,108.26/53,968.69 = 22,112.21/x
  3. Step 3: Cross multiply
    39,108.26x = 53,968.69 × 22,112.21
  4. Step 4: Simplify right side
    39,108.26x = 1,193,367,006.70
  5. Step 5: Solve for x
    x = 1,193,367,006.70/39,108.26
  6. Step 6: Final answer
    x = 30,514.45

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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.