Home / 40,540.77-55,930.16-27,090.72

Finding the Fourth Proportional to 40,540.77, 55,930.16 and 27,090.72

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Solution

The fourth proportional to 40,540.77, 55,930.16 and 27,090.72 is: 37,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,540.77 : 55,930.16 = 27,090.72 : x
  2. Step 2: Convert to fraction form
    40,540.77/55,930.16 = 27,090.72/x
  3. Step 3: Cross multiply
    40,540.77x = 55,930.16 × 27,090.72
  4. Step 4: Simplify right side
    40,540.77x = 1,515,188,168.66
  5. Step 5: Solve for x
    x = 1,515,188,168.66/40,540.77
  6. Step 6: Final answer
    x = 37,374.43

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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.