Home / 40,984.94-61,436.37-15,990.60

Finding the Fourth Proportional to 40,984.94, 61,436.37 and 15,990.60

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Solution

The fourth proportional to 40,984.94, 61,436.37 and 15,990.60 is: 23,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,984.94 : 61,436.37 = 15,990.60 : x
  2. Step 2: Convert to fraction form
    40,984.94/61,436.37 = 15,990.60/x
  3. Step 3: Cross multiply
    40,984.94x = 61,436.37 × 15,990.60
  4. Step 4: Simplify right side
    40,984.94x = 982,404,338.17
  5. Step 5: Solve for x
    x = 982,404,338.17/40,984.94
  6. Step 6: Final answer
    x = 23,969.89

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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.