Home / 40,954.44-61,428.66-15,989.76

Finding the Fourth Proportional to 40,954.44, 61,428.66 and 15,989.76

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Solution

The fourth proportional to 40,954.44, 61,428.66 and 15,989.76 is: 23,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,954.44 : 61,428.66 = 15,989.76 : x
  2. Step 2: Convert to fraction form
    40,954.44/61,428.66 = 15,989.76/x
  3. Step 3: Cross multiply
    40,954.44x = 61,428.66 × 15,989.76
  4. Step 4: Simplify right side
    40,954.44x = 982,229,530.52
  5. Step 5: Solve for x
    x = 982,229,530.52/40,954.44
  6. Step 6: Final answer
    x = 23,983.47

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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.