Home / 41,008.72-56,829.64-40,221.28

Finding the Fourth Proportional to 41,008.72, 56,829.64 and 40,221.28

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Solution

The fourth proportional to 41,008.72, 56,829.64 and 40,221.28 is: 55,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,008.72 : 56,829.64 = 40,221.28 : x
  2. Step 2: Convert to fraction form
    41,008.72/56,829.64 = 40,221.28/x
  3. Step 3: Cross multiply
    41,008.72x = 56,829.64 × 40,221.28
  4. Step 4: Simplify right side
    41,008.72x = 2,285,760,862.74
  5. Step 5: Solve for x
    x = 2,285,760,862.74/41,008.72
  6. Step 6: Final answer
    x = 55,738.41

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.