Home / 49,939.53-74,908.61-12,499.46

Finding the Fourth Proportional to 49,939.53, 74,908.61 and 12,499.46

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Solution

The fourth proportional to 49,939.53, 74,908.61 and 12,499.46 is: 18,749.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,939.53 : 74,908.61 = 12,499.46 : x
  2. Step 2: Convert to fraction form
    49,939.53/74,908.61 = 12,499.46/x
  3. Step 3: Cross multiply
    49,939.53x = 74,908.61 × 12,499.46
  4. Step 4: Simplify right side
    49,939.53x = 936,317,174.35
  5. Step 5: Solve for x
    x = 936,317,174.35/49,939.53
  6. Step 6: Final answer
    x = 18,749.02

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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.