Home / 40,043.21-55,247.51-27,943.37

Finding the Fourth Proportional to 40,043.21, 55,247.51 and 27,943.37

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Solution

The fourth proportional to 40,043.21, 55,247.51 and 27,943.37 is: 38,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,043.21 : 55,247.51 = 27,943.37 : x
  2. Step 2: Convert to fraction form
    40,043.21/55,247.51 = 27,943.37/x
  3. Step 3: Cross multiply
    40,043.21x = 55,247.51 × 27,943.37
  4. Step 4: Simplify right side
    40,043.21x = 1,543,801,473.79
  5. Step 5: Solve for x
    x = 1,543,801,473.79/40,043.21
  6. Step 6: Final answer
    x = 38,553.39

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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.