Home / 49,679.38-74,519.61-14,619.70

Finding the Fourth Proportional to 49,679.38, 74,519.61 and 14,619.70

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Solution

The fourth proportional to 49,679.38, 74,519.61 and 14,619.70 is: 21,929.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,679.38 : 74,519.61 = 14,619.70 : x
  2. Step 2: Convert to fraction form
    49,679.38/74,519.61 = 14,619.70/x
  3. Step 3: Cross multiply
    49,679.38x = 74,519.61 × 14,619.70
  4. Step 4: Simplify right side
    49,679.38x = 1,089,454,342.32
  5. Step 5: Solve for x
    x = 1,089,454,342.32/49,679.38
  6. Step 6: Final answer
    x = 21,929.71

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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.