Home / 33,411.80-50,121.12-12,357.48

Finding the Fourth Proportional to 33,411.80, 50,121.12 and 12,357.48

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Solution

The fourth proportional to 33,411.80, 50,121.12 and 12,357.48 is: 18,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,411.80 : 50,121.12 = 12,357.48 : x
  2. Step 2: Convert to fraction form
    33,411.80/50,121.12 = 12,357.48/x
  3. Step 3: Cross multiply
    33,411.80x = 50,121.12 × 12,357.48
  4. Step 4: Simplify right side
    33,411.80x = 619,370,737.98
  5. Step 5: Solve for x
    x = 619,370,737.98/33,411.80
  6. Step 6: Final answer
    x = 18,537.48

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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.