Home / 49,399.80-74,099.70-18,247.20

Finding the Fourth Proportional to 49,399.80, 74,099.70 and 18,247.20

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Solution

The fourth proportional to 49,399.80, 74,099.70 and 18,247.20 is: 27,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,399.80 : 74,099.70 = 18,247.20 : x
  2. Step 2: Convert to fraction form
    49,399.80/74,099.70 = 18,247.20/x
  3. Step 3: Cross multiply
    49,399.80x = 74,099.70 × 18,247.20
  4. Step 4: Simplify right side
    49,399.80x = 1,352,112,045.84
  5. Step 5: Solve for x
    x = 1,352,112,045.84/49,399.80
  6. Step 6: Final answer
    x = 27,370.80

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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.