Home / 49,630.77-68,490.27-28,407.75

Finding the Fourth Proportional to 49,630.77, 68,490.27 and 28,407.75

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Solution

The fourth proportional to 49,630.77, 68,490.27 and 28,407.75 is: 39,202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,630.77 : 68,490.27 = 28,407.75 : x
  2. Step 2: Convert to fraction form
    49,630.77/68,490.27 = 28,407.75/x
  3. Step 3: Cross multiply
    49,630.77x = 68,490.27 × 28,407.75
  4. Step 4: Simplify right side
    49,630.77x = 1,945,654,467.59
  5. Step 5: Solve for x
    x = 1,945,654,467.59/49,630.77
  6. Step 6: Final answer
    x = 39,202.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.