Home / 34,379.12-51,561.24-12,193.22

Finding the Fourth Proportional to 34,379.12, 51,561.24 and 12,193.22

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Solution

The fourth proportional to 34,379.12, 51,561.24 and 12,193.22 is: 18,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,379.12 : 51,561.24 = 12,193.22 : x
  2. Step 2: Convert to fraction form
    34,379.12/51,561.24 = 12,193.22/x
  3. Step 3: Cross multiply
    34,379.12x = 51,561.24 × 12,193.22
  4. Step 4: Simplify right side
    34,379.12x = 628,697,542.79
  5. Step 5: Solve for x
    x = 628,697,542.79/34,379.12
  6. Step 6: Final answer
    x = 18,287.19

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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.