Home / 49,986.80-74,942.74-30,260.60

Finding the Fourth Proportional to 49,986.80, 74,942.74 and 30,260.60

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Solution

The fourth proportional to 49,986.80, 74,942.74 and 30,260.60 is: 45,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,986.80 : 74,942.74 = 30,260.60 : x
  2. Step 2: Convert to fraction form
    49,986.80/74,942.74 = 30,260.60/x
  3. Step 3: Cross multiply
    49,986.80x = 74,942.74 × 30,260.60
  4. Step 4: Simplify right side
    49,986.80x = 2,267,812,278.04
  5. Step 5: Solve for x
    x = 2,267,812,278.04/49,986.80
  6. Step 6: Final answer
    x = 45,368.22

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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.