Home / 38,511.20-57,766.80-37,733.60

Finding the Fourth Proportional to 38,511.20, 57,766.80 and 37,733.60

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Solution

The fourth proportional to 38,511.20, 57,766.80 and 37,733.60 is: 56,600.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,511.20 : 57,766.80 = 37,733.60 : x
  2. Step 2: Convert to fraction form
    38,511.20/57,766.80 = 37,733.60/x
  3. Step 3: Cross multiply
    38,511.20x = 57,766.80 × 37,733.60
  4. Step 4: Simplify right side
    38,511.20x = 2,179,749,324.48
  5. Step 5: Solve for x
    x = 2,179,749,324.48/38,511.20
  6. Step 6: Final answer
    x = 56,600.40

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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.