Home / 32,856.20-49,284.30-12,087.80

Finding the Fourth Proportional to 32,856.20, 49,284.30 and 12,087.80

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Solution

The fourth proportional to 32,856.20, 49,284.30 and 12,087.80 is: 18,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,856.20 : 49,284.30 = 12,087.80 : x
  2. Step 2: Convert to fraction form
    32,856.20/49,284.30 = 12,087.80/x
  3. Step 3: Cross multiply
    32,856.20x = 49,284.30 × 12,087.80
  4. Step 4: Simplify right side
    32,856.20x = 595,738,761.54
  5. Step 5: Solve for x
    x = 595,738,761.54/32,856.20
  6. Step 6: Final answer
    x = 18,131.70

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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.