Home / 55,348.77-76,380.92-31,475.44

Finding the Fourth Proportional to 55,348.77, 76,380.92 and 31,475.44

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Solution

The fourth proportional to 55,348.77, 76,380.92 and 31,475.44 is: 43,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,348.77 : 76,380.92 = 31,475.44 : x
  2. Step 2: Convert to fraction form
    55,348.77/76,380.92 = 31,475.44/x
  3. Step 3: Cross multiply
    55,348.77x = 76,380.92 × 31,475.44
  4. Step 4: Simplify right side
    55,348.77x = 2,404,122,716.28
  5. Step 5: Solve for x
    x = 2,404,122,716.28/55,348.77
  6. Step 6: Final answer
    x = 43,435.88

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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.