Home / 33,421.30-50,138.27-13,432.35

Finding the Fourth Proportional to 33,421.30, 50,138.27 and 13,432.35

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Solution

The fourth proportional to 33,421.30, 50,138.27 and 13,432.35 is: 20,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.30 : 50,138.27 = 13,432.35 : x
  2. Step 2: Convert to fraction form
    33,421.30/50,138.27 = 13,432.35/x
  3. Step 3: Cross multiply
    33,421.30x = 50,138.27 × 13,432.35
  4. Step 4: Simplify right side
    33,421.30x = 673,474,791.03
  5. Step 5: Solve for x
    x = 673,474,791.03/33,421.30
  6. Step 6: Final answer
    x = 20,151.07

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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.