Home / 33,429.81-50,142.20-12,360

Finding the Fourth Proportional to 33,429.81, 50,142.20 and 12,360

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Solution

The fourth proportional to 33,429.81, 50,142.20 and 12,360 is: 18,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,429.81 : 50,142.20 = 12,360 : x
  2. Step 2: Convert to fraction form
    33,429.81/50,142.20 = 12,360/x
  3. Step 3: Cross multiply
    33,429.81x = 50,142.20 × 12,360
  4. Step 4: Simplify right side
    33,429.81x = 619,757,530.20
  5. Step 5: Solve for x
    x = 619,757,530.20/33,429.81
  6. Step 6: Final answer
    x = 18,539.07

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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.