Home / 49,974.63-74,928.60-20,384.52

Finding the Fourth Proportional to 49,974.63, 74,928.60 and 20,384.52

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Solution

The fourth proportional to 49,974.63, 74,928.60 and 20,384.52 is: 30,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,974.63 : 74,928.60 = 20,384.52 : x
  2. Step 2: Convert to fraction form
    49,974.63/74,928.60 = 20,384.52/x
  3. Step 3: Cross multiply
    49,974.63x = 74,928.60 × 20,384.52
  4. Step 4: Simplify right side
    49,974.63x = 1,527,383,545.27
  5. Step 5: Solve for x
    x = 1,527,383,545.27/49,974.63
  6. Step 6: Final answer
    x = 30,563.18

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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.