Home / 49,847.63-74,729.52-20,286.68

Finding the Fourth Proportional to 49,847.63, 74,729.52 and 20,286.68

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Solution

The fourth proportional to 49,847.63, 74,729.52 and 20,286.68 is: 30,412.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,847.63 : 74,729.52 = 20,286.68 : x
  2. Step 2: Convert to fraction form
    49,847.63/74,729.52 = 20,286.68/x
  3. Step 3: Cross multiply
    49,847.63x = 74,729.52 × 20,286.68
  4. Step 4: Simplify right side
    49,847.63x = 1,516,013,485.15
  5. Step 5: Solve for x
    x = 1,516,013,485.15/49,847.63
  6. Step 6: Final answer
    x = 30,412.95

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1.5x scale

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.