Home / 31,697.24-43,774.87-27,427.80

Finding the Fourth Proportional to 31,697.24, 43,774.87 and 27,427.80

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Solution

The fourth proportional to 31,697.24, 43,774.87 and 27,427.80 is: 37,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,697.24 : 43,774.87 = 27,427.80 : x
  2. Step 2: Convert to fraction form
    31,697.24/43,774.87 = 27,427.80/x
  3. Step 3: Cross multiply
    31,697.24x = 43,774.87 × 27,427.80
  4. Step 4: Simplify right side
    31,697.24x = 1,200,648,379.39
  5. Step 5: Solve for x
    x = 1,200,648,379.39/31,697.24
  6. Step 6: Final answer
    x = 37,878.64

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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.