Home / 33,438.74-50,159.20-12,384.09

Finding the Fourth Proportional to 33,438.74, 50,159.20 and 12,384.09

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Solution

The fourth proportional to 33,438.74, 50,159.20 and 12,384.09 is: 18,576.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,438.74 : 50,159.20 = 12,384.09 : x
  2. Step 2: Convert to fraction form
    33,438.74/50,159.20 = 12,384.09/x
  3. Step 3: Cross multiply
    33,438.74x = 50,159.20 × 12,384.09
  4. Step 4: Simplify right side
    33,438.74x = 621,176,039.39
  5. Step 5: Solve for x
    x = 621,176,039.39/33,438.74
  6. Step 6: Final answer
    x = 18,576.54

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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.