Home / 40,175.07-55,435.77-22,270.07

Finding the Fourth Proportional to 40,175.07, 55,435.77 and 22,270.07

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Solution

The fourth proportional to 40,175.07, 55,435.77 and 22,270.07 is: 30,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,175.07 : 55,435.77 = 22,270.07 : x
  2. Step 2: Convert to fraction form
    40,175.07/55,435.77 = 22,270.07/x
  3. Step 3: Cross multiply
    40,175.07x = 55,435.77 × 22,270.07
  4. Step 4: Simplify right side
    40,175.07x = 1,234,558,201.23
  5. Step 5: Solve for x
    x = 1,234,558,201.23/40,175.07
  6. Step 6: Final answer
    x = 30,729.46

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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.