Home / 36,589.32-54,883.78-12,891.35

Finding the Fourth Proportional to 36,589.32, 54,883.78 and 12,891.35

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Solution

The fourth proportional to 36,589.32, 54,883.78 and 12,891.35 is: 19,336.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,589.32 : 54,883.78 = 12,891.35 : x
  2. Step 2: Convert to fraction form
    36,589.32/54,883.78 = 12,891.35/x
  3. Step 3: Cross multiply
    36,589.32x = 54,883.78 × 12,891.35
  4. Step 4: Simplify right side
    36,589.32x = 707,526,122.28
  5. Step 5: Solve for x
    x = 707,526,122.28/36,589.32
  6. Step 6: Final answer
    x = 19,336.96

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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.