Home / 43,003.80-64,515.30-33,672.60

Finding the Fourth Proportional to 43,003.80, 64,515.30 and 33,672.60

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Solution

The fourth proportional to 43,003.80, 64,515.30 and 33,672.60 is: 50,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,003.80 : 64,515.30 = 33,672.60 : x
  2. Step 2: Convert to fraction form
    43,003.80/64,515.30 = 33,672.60/x
  3. Step 3: Cross multiply
    43,003.80x = 64,515.30 × 33,672.60
  4. Step 4: Simplify right side
    43,003.80x = 2,172,397,890.78
  5. Step 5: Solve for x
    x = 2,172,397,890.78/43,003.80
  6. Step 6: Final answer
    x = 50,516.42

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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.