Home / 40,951.44-61,435.80-12,874.34

Finding the Fourth Proportional to 40,951.44, 61,435.80 and 12,874.34

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Solution

The fourth proportional to 40,951.44, 61,435.80 and 12,874.34 is: 19,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,951.44 : 61,435.80 = 12,874.34 : x
  2. Step 2: Convert to fraction form
    40,951.44/61,435.80 = 12,874.34/x
  3. Step 3: Cross multiply
    40,951.44x = 61,435.80 × 12,874.34
  4. Step 4: Simplify right side
    40,951.44x = 790,945,530.96
  5. Step 5: Solve for x
    x = 790,945,530.96/40,951.44
  6. Step 6: Final answer
    x = 19,314.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.