Home / 40,539.89-55,895.40-33,344.66

Finding the Fourth Proportional to 40,539.89, 55,895.40 and 33,344.66

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Solution

The fourth proportional to 40,539.89, 55,895.40 and 33,344.66 is: 45,974.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539.89 : 55,895.40 = 33,344.66 : x
  2. Step 2: Convert to fraction form
    40,539.89/55,895.40 = 33,344.66/x
  3. Step 3: Cross multiply
    40,539.89x = 55,895.40 × 33,344.66
  4. Step 4: Simplify right side
    40,539.89x = 1,863,812,829.09
  5. Step 5: Solve for x
    x = 1,863,812,829.09/40,539.89
  6. Step 6: Final answer
    x = 45,974.79

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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.