Home / 36,274.68-54,379.18-12,895.65

Finding the Fourth Proportional to 36,274.68, 54,379.18 and 12,895.65

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Solution

The fourth proportional to 36,274.68, 54,379.18 and 12,895.65 is: 19,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,274.68 : 54,379.18 = 12,895.65 : x
  2. Step 2: Convert to fraction form
    36,274.68/54,379.18 = 12,895.65/x
  3. Step 3: Cross multiply
    36,274.68x = 54,379.18 × 12,895.65
  4. Step 4: Simplify right side
    36,274.68x = 701,254,872.57
  5. Step 5: Solve for x
    x = 701,254,872.57/36,274.68
  6. Step 6: Final answer
    x = 19,331.80

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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.