Home / 49,748.10-74,614.73-18,150.75

Finding the Fourth Proportional to 49,748.10, 74,614.73 and 18,150.75

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Solution

The fourth proportional to 49,748.10, 74,614.73 and 18,150.75 is: 27,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,748.10 : 74,614.73 = 18,150.75 : x
  2. Step 2: Convert to fraction form
    49,748.10/74,614.73 = 18,150.75/x
  3. Step 3: Cross multiply
    49,748.10x = 74,614.73 × 18,150.75
  4. Step 4: Simplify right side
    49,748.10x = 1,354,313,219.79
  5. Step 5: Solve for x
    x = 1,354,313,219.79/49,748.10
  6. Step 6: Final answer
    x = 27,223.42

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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.