Home / 40,055.25-55,274.07-22,149.21

Finding the Fourth Proportional to 40,055.25, 55,274.07 and 22,149.21

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Solution

The fourth proportional to 40,055.25, 55,274.07 and 22,149.21 is: 30,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,055.25 : 55,274.07 = 22,149.21 : x
  2. Step 2: Convert to fraction form
    40,055.25/55,274.07 = 22,149.21/x
  3. Step 3: Cross multiply
    40,055.25x = 55,274.07 × 22,149.21
  4. Step 4: Simplify right side
    40,055.25x = 1,224,276,983.98
  5. Step 5: Solve for x
    x = 1,224,276,983.98/40,055.25
  6. Step 6: Final answer
    x = 30,564.71

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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.