Home / 36,218.85-54,328.28-12,847.65

Finding the Fourth Proportional to 36,218.85, 54,328.28 and 12,847.65

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Solution

The fourth proportional to 36,218.85, 54,328.28 and 12,847.65 is: 19,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,218.85 : 54,328.28 = 12,847.65 : x
  2. Step 2: Convert to fraction form
    36,218.85/54,328.28 = 12,847.65/x
  3. Step 3: Cross multiply
    36,218.85x = 54,328.28 × 12,847.65
  4. Step 4: Simplify right side
    36,218.85x = 697,990,662.30
  5. Step 5: Solve for x
    x = 697,990,662.30/36,218.85
  6. Step 6: Final answer
    x = 19,271.48

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Similar ratio
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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.