Home / 51,222.80-76,834.20-36,189.20

Finding the Fourth Proportional to 51,222.80, 76,834.20 and 36,189.20

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Solution

The fourth proportional to 51,222.80, 76,834.20 and 36,189.20 is: 54,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222.80 : 76,834.20 = 36,189.20 : x
  2. Step 2: Convert to fraction form
    51,222.80/76,834.20 = 36,189.20/x
  3. Step 3: Cross multiply
    51,222.80x = 76,834.20 × 36,189.20
  4. Step 4: Simplify right side
    51,222.80x = 2,780,568,230.64
  5. Step 5: Solve for x
    x = 2,780,568,230.64/51,222.80
  6. Step 6: Final answer
    x = 54,283.80

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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.