Home / 33,890.16-50,825.52-13,108.80

Finding the Fourth Proportional to 33,890.16, 50,825.52 and 13,108.80

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Solution

The fourth proportional to 33,890.16, 50,825.52 and 13,108.80 is: 19,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,890.16 : 50,825.52 = 13,108.80 : x
  2. Step 2: Convert to fraction form
    33,890.16/50,825.52 = 13,108.80/x
  3. Step 3: Cross multiply
    33,890.16x = 50,825.52 × 13,108.80
  4. Step 4: Simplify right side
    33,890.16x = 666,261,576.58
  5. Step 5: Solve for x
    x = 666,261,576.58/33,890.16
  6. Step 6: Final answer
    x = 19,659.44

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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.