Home / 40,042.26-55,256.06-22,136.20

Finding the Fourth Proportional to 40,042.26, 55,256.06 and 22,136.20

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Solution

The fourth proportional to 40,042.26, 55,256.06 and 22,136.20 is: 30,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042.26 : 55,256.06 = 22,136.20 : x
  2. Step 2: Convert to fraction form
    40,042.26/55,256.06 = 22,136.20/x
  3. Step 3: Cross multiply
    40,042.26x = 55,256.06 × 22,136.20
  4. Step 4: Simplify right side
    40,042.26x = 1,223,159,195.37
  5. Step 5: Solve for x
    x = 1,223,159,195.37/40,042.26
  6. Step 6: Final answer
    x = 30,546.71

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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.