Home / 31,649.67-43,676.55-19,076.85

Finding the Fourth Proportional to 31,649.67, 43,676.55 and 19,076.85

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Solution

The fourth proportional to 31,649.67, 43,676.55 and 19,076.85 is: 26,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,649.67 : 43,676.55 = 19,076.85 : x
  2. Step 2: Convert to fraction form
    31,649.67/43,676.55 = 19,076.85/x
  3. Step 3: Cross multiply
    31,649.67x = 43,676.55 × 19,076.85
  4. Step 4: Simplify right side
    31,649.67x = 833,210,992.87
  5. Step 5: Solve for x
    x = 833,210,992.87/31,649.67
  6. Step 6: Final answer
    x = 26,326.06

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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.