Home / 49,511.98-68,325.34-28,289.88

Finding the Fourth Proportional to 49,511.98, 68,325.34 and 28,289.88

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Solution

The fourth proportional to 49,511.98, 68,325.34 and 28,289.88 is: 39,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,511.98 : 68,325.34 = 28,289.88 : x
  2. Step 2: Convert to fraction form
    49,511.98/68,325.34 = 28,289.88/x
  3. Step 3: Cross multiply
    49,511.98x = 68,325.34 × 28,289.88
  4. Step 4: Simplify right side
    49,511.98x = 1,932,915,724.70
  5. Step 5: Solve for x
    x = 1,932,915,724.70/49,511.98
  6. Step 6: Final answer
    x = 39,039.35

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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.