Home / 31,203.20-43,143.36-27,266.60

Finding the Fourth Proportional to 31,203.20, 43,143.36 and 27,266.60

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Solution

The fourth proportional to 31,203.20, 43,143.36 and 27,266.60 is: 37,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,203.20 : 43,143.36 = 27,266.60 : x
  2. Step 2: Convert to fraction form
    31,203.20/43,143.36 = 27,266.60/x
  3. Step 3: Cross multiply
    31,203.20x = 43,143.36 × 27,266.60
  4. Step 4: Simplify right side
    31,203.20x = 1,176,372,739.78
  5. Step 5: Solve for x
    x = 1,176,372,739.78/31,203.20
  6. Step 6: Final answer
    x = 37,700.39

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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.