Home / 31,189.35-43,096.20-27,203.55

Finding the Fourth Proportional to 31,189.35, 43,096.20 and 27,203.55

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Solution

The fourth proportional to 31,189.35, 43,096.20 and 27,203.55 is: 37,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,189.35 : 43,096.20 = 27,203.55 : x
  2. Step 2: Convert to fraction form
    31,189.35/43,096.20 = 27,203.55/x
  3. Step 3: Cross multiply
    31,189.35x = 43,096.20 × 27,203.55
  4. Step 4: Simplify right side
    31,189.35x = 1,172,369,520.91
  5. Step 5: Solve for x
    x = 1,172,369,520.91/31,189.35
  6. Step 6: Final answer
    x = 37,588.77

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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.