Home / 36,105.30-54,148.35-11,145.30

Finding the Fourth Proportional to 36,105.30, 54,148.35 and 11,145.30

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Solution

The fourth proportional to 36,105.30, 54,148.35 and 11,145.30 is: 16,714.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,105.30 : 54,148.35 = 11,145.30 : x
  2. Step 2: Convert to fraction form
    36,105.30/54,148.35 = 11,145.30/x
  3. Step 3: Cross multiply
    36,105.30x = 54,148.35 × 11,145.30
  4. Step 4: Simplify right side
    36,105.30x = 603,499,605.26
  5. Step 5: Solve for x
    x = 603,499,605.26/36,105.30
  6. Step 6: Final answer
    x = 16,714.99

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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.