Home / 49,161.75-73,742.91-12,225.75

Finding the Fourth Proportional to 49,161.75, 73,742.91 and 12,225.75

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Solution

The fourth proportional to 49,161.75, 73,742.91 and 12,225.75 is: 18,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,161.75 : 73,742.91 = 12,225.75 : x
  2. Step 2: Convert to fraction form
    49,161.75/73,742.91 = 12,225.75/x
  3. Step 3: Cross multiply
    49,161.75x = 73,742.91 × 12,225.75
  4. Step 4: Simplify right side
    49,161.75x = 901,562,381.93
  5. Step 5: Solve for x
    x = 901,562,381.93/49,161.75
  6. Step 6: Final answer
    x = 18,338.70

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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.