Home / 31,676.10-43,712.46-18,247.32

Finding the Fourth Proportional to 31,676.10, 43,712.46 and 18,247.32

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Solution

The fourth proportional to 31,676.10, 43,712.46 and 18,247.32 is: 25,180.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,676.10 : 43,712.46 = 18,247.32 : x
  2. Step 2: Convert to fraction form
    31,676.10/43,712.46 = 18,247.32/x
  3. Step 3: Cross multiply
    31,676.10x = 43,712.46 × 18,247.32
  4. Step 4: Simplify right side
    31,676.10x = 797,635,245.61
  5. Step 5: Solve for x
    x = 797,635,245.61/31,676.10
  6. Step 6: Final answer
    x = 25,180.98

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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.