Home / 32,847.10-45,311.94-20,889.68

Finding the Fourth Proportional to 32,847.10, 45,311.94 and 20,889.68

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Solution

The fourth proportional to 32,847.10, 45,311.94 and 20,889.68 is: 28,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,847.10 : 45,311.94 = 20,889.68 : x
  2. Step 2: Convert to fraction form
    32,847.10/45,311.94 = 20,889.68/x
  3. Step 3: Cross multiply
    32,847.10x = 45,311.94 × 20,889.68
  4. Step 4: Simplify right side
    32,847.10x = 946,551,926.78
  5. Step 5: Solve for x
    x = 946,551,926.78/32,847.10
  6. Step 6: Final answer
    x = 28,816.91

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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.