Home / 33,145.44-49,711.68-12,364.80

Finding the Fourth Proportional to 33,145.44, 49,711.68 and 12,364.80

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Solution

The fourth proportional to 33,145.44, 49,711.68 and 12,364.80 is: 18,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,145.44 : 49,711.68 = 12,364.80 : x
  2. Step 2: Convert to fraction form
    33,145.44/49,711.68 = 12,364.80/x
  3. Step 3: Cross multiply
    33,145.44x = 49,711.68 × 12,364.80
  4. Step 4: Simplify right side
    33,145.44x = 614,674,980.86
  5. Step 5: Solve for x
    x = 614,674,980.86/33,145.44
  6. Step 6: Final answer
    x = 18,544.78

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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.