Home / 49,042.40-73,573.20-20,962.40

Finding the Fourth Proportional to 49,042.40, 73,573.20 and 20,962.40

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Solution

The fourth proportional to 49,042.40, 73,573.20 and 20,962.40 is: 31,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,042.40 : 73,573.20 = 20,962.40 : x
  2. Step 2: Convert to fraction form
    49,042.40/73,573.20 = 20,962.40/x
  3. Step 3: Cross multiply
    49,042.40x = 73,573.20 × 20,962.40
  4. Step 4: Simplify right side
    49,042.40x = 1,542,270,847.68
  5. Step 5: Solve for x
    x = 1,542,270,847.68/49,042.40
  6. Step 6: Final answer
    x = 31,447.70

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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.