Home / 36,189.91-54,290.10-11,231.98

Finding the Fourth Proportional to 36,189.91, 54,290.10 and 11,231.98

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Solution

The fourth proportional to 36,189.91, 54,290.10 and 11,231.98 is: 16,849.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,189.91 : 54,290.10 = 11,231.98 : x
  2. Step 2: Convert to fraction form
    36,189.91/54,290.10 = 11,231.98/x
  3. Step 3: Cross multiply
    36,189.91x = 54,290.10 × 11,231.98
  4. Step 4: Simplify right side
    36,189.91x = 609,785,045.95
  5. Step 5: Solve for x
    x = 609,785,045.95/36,189.91
  6. Step 6: Final answer
    x = 16,849.59

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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.