Home / 43,268.58-64,922.85-16,980.30

Finding the Fourth Proportional to 43,268.58, 64,922.85 and 16,980.30

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Solution

The fourth proportional to 43,268.58, 64,922.85 and 16,980.30 is: 25,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,268.58 : 64,922.85 = 16,980.30 : x
  2. Step 2: Convert to fraction form
    43,268.58/64,922.85 = 16,980.30/x
  3. Step 3: Cross multiply
    43,268.58x = 64,922.85 × 16,980.30
  4. Step 4: Simplify right side
    43,268.58x = 1,102,409,469.86
  5. Step 5: Solve for x
    x = 1,102,409,469.86/43,268.58
  6. Step 6: Final answer
    x = 25,478.29

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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.