Home / 49,821.08-74,748.03-20,230.97

Finding the Fourth Proportional to 49,821.08, 74,748.03 and 20,230.97

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Solution

The fourth proportional to 49,821.08, 74,748.03 and 20,230.97 is: 30,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.08 : 74,748.03 = 20,230.97 : x
  2. Step 2: Convert to fraction form
    49,821.08/74,748.03 = 20,230.97/x
  3. Step 3: Cross multiply
    49,821.08x = 74,748.03 × 20,230.97
  4. Step 4: Simplify right side
    49,821.08x = 1,512,225,152.49
  5. Step 5: Solve for x
    x = 1,512,225,152.49/49,821.08
  6. Step 6: Final answer
    x = 30,353.12

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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.