Home / 49,986.28-74,942.38-30,260.17

Finding the Fourth Proportional to 49,986.28, 74,942.38 and 30,260.17

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Solution

The fourth proportional to 49,986.28, 74,942.38 and 30,260.17 is: 45,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,986.28 : 74,942.38 = 30,260.17 : x
  2. Step 2: Convert to fraction form
    49,986.28/74,942.38 = 30,260.17/x
  3. Step 3: Cross multiply
    49,986.28x = 74,942.38 × 30,260.17
  4. Step 4: Simplify right side
    49,986.28x = 2,267,769,159.00
  5. Step 5: Solve for x
    x = 2,267,769,159.00/49,986.28
  6. Step 6: Final answer
    x = 45,367.83

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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.