Home / 49,131.64-67,801.92-27,912.12

Finding the Fourth Proportional to 49,131.64, 67,801.92 and 27,912.12

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Solution

The fourth proportional to 49,131.64, 67,801.92 and 27,912.12 is: 38,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,131.64 : 67,801.92 = 27,912.12 : x
  2. Step 2: Convert to fraction form
    49,131.64/67,801.92 = 27,912.12/x
  3. Step 3: Cross multiply
    49,131.64x = 67,801.92 × 27,912.12
  4. Step 4: Simplify right side
    49,131.64x = 1,892,495,327.27
  5. Step 5: Solve for x
    x = 1,892,495,327.27/49,131.64
  6. Step 6: Final answer
    x = 38,518.87

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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.