Home / 72,676.91-108,949.35-25,918.85

Finding the Fourth Proportional to 72,676.91, 108,949.35 and 25,918.85

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Solution

The fourth proportional to 72,676.91, 108,949.35 and 25,918.85 is: 38,854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,676.91 : 108,949.35 = 25,918.85 : x
  2. Step 2: Convert to fraction form
    72,676.91/108,949.35 = 25,918.85/x
  3. Step 3: Cross multiply
    72,676.91x = 108,949.35 × 25,918.85
  4. Step 4: Simplify right side
    72,676.91x = 2,823,841,860.25
  5. Step 5: Solve for x
    x = 2,823,841,860.25/72,676.91
  6. Step 6: Final answer
    x = 38,854.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.