Home / 40,236.81-55,546.79-25,137.85

Finding the Fourth Proportional to 40,236.81, 55,546.79 and 25,137.85

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Solution

The fourth proportional to 40,236.81, 55,546.79 and 25,137.85 is: 34,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,236.81 : 55,546.79 = 25,137.85 : x
  2. Step 2: Convert to fraction form
    40,236.81/55,546.79 = 25,137.85/x
  3. Step 3: Cross multiply
    40,236.81x = 55,546.79 × 25,137.85
  4. Step 4: Simplify right side
    40,236.81x = 1,396,326,610.45
  5. Step 5: Solve for x
    x = 1,396,326,610.45/40,236.81
  6. Step 6: Final answer
    x = 34,702.72

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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.