Home / 32,778.45-49,158.09-18,735.87

Finding the Fourth Proportional to 32,778.45, 49,158.09 and 18,735.87

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Solution

The fourth proportional to 32,778.45, 49,158.09 and 18,735.87 is: 28,098.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,778.45 : 49,158.09 = 18,735.87 : x
  2. Step 2: Convert to fraction form
    32,778.45/49,158.09 = 18,735.87/x
  3. Step 3: Cross multiply
    32,778.45x = 49,158.09 × 18,735.87
  4. Step 4: Simplify right side
    32,778.45x = 921,019,583.69
  5. Step 5: Solve for x
    x = 921,019,583.69/32,778.45
  6. Step 6: Final answer
    x = 28,098.33

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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.