Home / 43,456.80-65,185.20-33,615.30

Finding the Fourth Proportional to 43,456.80, 65,185.20 and 33,615.30

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Solution

The fourth proportional to 43,456.80, 65,185.20 and 33,615.30 is: 50,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,456.80 : 65,185.20 = 33,615.30 : x
  2. Step 2: Convert to fraction form
    43,456.80/65,185.20 = 33,615.30/x
  3. Step 3: Cross multiply
    43,456.80x = 65,185.20 × 33,615.30
  4. Step 4: Simplify right side
    43,456.80x = 2,191,220,053.56
  5. Step 5: Solve for x
    x = 2,191,220,053.56/43,456.80
  6. Step 6: Final answer
    x = 50,422.95

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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.