Home / 49,861.57-74,806.43-20,300.62

Finding the Fourth Proportional to 49,861.57, 74,806.43 and 20,300.62

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Solution

The fourth proportional to 49,861.57, 74,806.43 and 20,300.62 is: 30,456.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,861.57 : 74,806.43 = 20,300.62 : x
  2. Step 2: Convert to fraction form
    49,861.57/74,806.43 = 20,300.62/x
  3. Step 3: Cross multiply
    49,861.57x = 74,806.43 × 20,300.62
  4. Step 4: Simplify right side
    49,861.57x = 1,518,617,015.18
  5. Step 5: Solve for x
    x = 1,518,617,015.18/49,861.57
  6. Step 6: Final answer
    x = 30,456.66

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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.