Home / 42,198.75-58,241.57-25,431.75

Finding the Fourth Proportional to 42,198.75, 58,241.57 and 25,431.75

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Solution

The fourth proportional to 42,198.75, 58,241.57 and 25,431.75 is: 35,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,198.75 : 58,241.57 = 25,431.75 : x
  2. Step 2: Convert to fraction form
    42,198.75/58,241.57 = 25,431.75/x
  3. Step 3: Cross multiply
    42,198.75x = 58,241.57 × 25,431.75
  4. Step 4: Simplify right side
    42,198.75x = 1,481,184,920.69
  5. Step 5: Solve for x
    x = 1,481,184,920.69/42,198.75
  6. Step 6: Final answer
    x = 35,100.21

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Half scale
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Double scale
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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.