Home / 38,464.60-57,702.30-12,166.60

Finding the Fourth Proportional to 38,464.60, 57,702.30 and 12,166.60

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Solution

The fourth proportional to 38,464.60, 57,702.30 and 12,166.60 is: 18,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,464.60 : 57,702.30 = 12,166.60 : x
  2. Step 2: Convert to fraction form
    38,464.60/57,702.30 = 12,166.60/x
  3. Step 3: Cross multiply
    38,464.60x = 57,702.30 × 12,166.60
  4. Step 4: Simplify right side
    38,464.60x = 702,040,803.18
  5. Step 5: Solve for x
    x = 702,040,803.18/38,464.60
  6. Step 6: Final answer
    x = 18,251.61

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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.