Home / 47,676.10-65,789.37-27,523.78

Finding the Fourth Proportional to 47,676.10, 65,789.37 and 27,523.78

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Solution

The fourth proportional to 47,676.10, 65,789.37 and 27,523.78 is: 37,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,676.10 : 65,789.37 = 27,523.78 : x
  2. Step 2: Convert to fraction form
    47,676.10/65,789.37 = 27,523.78/x
  3. Step 3: Cross multiply
    47,676.10x = 65,789.37 × 27,523.78
  4. Step 4: Simplify right side
    47,676.10x = 1,810,772,146.22
  5. Step 5: Solve for x
    x = 1,810,772,146.22/47,676.10
  6. Step 6: Final answer
    x = 37,980.71

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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.