Home / 36,226.10-54,355.35-12,869.30

Finding the Fourth Proportional to 36,226.10, 54,355.35 and 12,869.30

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Solution

The fourth proportional to 36,226.10, 54,355.35 and 12,869.30 is: 19,309.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,226.10 : 54,355.35 = 12,869.30 : x
  2. Step 2: Convert to fraction form
    36,226.10/54,355.35 = 12,869.30/x
  3. Step 3: Cross multiply
    36,226.10x = 54,355.35 × 12,869.30
  4. Step 4: Simplify right side
    36,226.10x = 699,515,305.76
  5. Step 5: Solve for x
    x = 699,515,305.76/36,226.10
  6. Step 6: Final answer
    x = 19,309.71

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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.