Home / 36,294.20-54,446.16-12,920.84

Finding the Fourth Proportional to 36,294.20, 54,446.16 and 12,920.84

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Solution

The fourth proportional to 36,294.20, 54,446.16 and 12,920.84 is: 19,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,294.20 : 54,446.16 = 12,920.84 : x
  2. Step 2: Convert to fraction form
    36,294.20/54,446.16 = 12,920.84/x
  3. Step 3: Cross multiply
    36,294.20x = 54,446.16 × 12,920.84
  4. Step 4: Simplify right side
    36,294.20x = 703,490,121.97
  5. Step 5: Solve for x
    x = 703,490,121.97/36,294.20
  6. Step 6: Final answer
    x = 19,382.99

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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.