Home / 41,892.89-57,811.77-31,185.64

Finding the Fourth Proportional to 41,892.89, 57,811.77 and 31,185.64

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Solution

The fourth proportional to 41,892.89, 57,811.77 and 31,185.64 is: 43,035.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,892.89 : 57,811.77 = 31,185.64 : x
  2. Step 2: Convert to fraction form
    41,892.89/57,811.77 = 31,185.64/x
  3. Step 3: Cross multiply
    41,892.89x = 57,811.77 × 31,185.64
  4. Step 4: Simplify right side
    41,892.89x = 1,802,897,046.98
  5. Step 5: Solve for x
    x = 1,802,897,046.98/41,892.89
  6. Step 6: Final answer
    x = 43,035.88

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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.