Home / 31,676.09-43,717.64-18,244.76

Finding the Fourth Proportional to 31,676.09, 43,717.64 and 18,244.76

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Solution

The fourth proportional to 31,676.09, 43,717.64 and 18,244.76 is: 25,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,676.09 : 43,717.64 = 18,244.76 : x
  2. Step 2: Convert to fraction form
    31,676.09/43,717.64 = 18,244.76/x
  3. Step 3: Cross multiply
    31,676.09x = 43,717.64 × 18,244.76
  4. Step 4: Simplify right side
    31,676.09x = 797,617,539.75
  5. Step 5: Solve for x
    x = 797,617,539.75/31,676.09
  6. Step 6: Final answer
    x = 25,180.43

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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.