Home / 33,421.70-50,120.40-11,235.80

Finding the Fourth Proportional to 33,421.70, 50,120.40 and 11,235.80

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Solution

The fourth proportional to 33,421.70, 50,120.40 and 11,235.80 is: 16,849.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.70 : 50,120.40 = 11,235.80 : x
  2. Step 2: Convert to fraction form
    33,421.70/50,120.40 = 11,235.80/x
  3. Step 3: Cross multiply
    33,421.70x = 50,120.40 × 11,235.80
  4. Step 4: Simplify right side
    33,421.70x = 563,142,790.32
  5. Step 5: Solve for x
    x = 563,142,790.32/33,421.70
  6. Step 6: Final answer
    x = 16,849.62

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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.