Home / 36,279.01-54,385.66-12,899.98

Finding the Fourth Proportional to 36,279.01, 54,385.66 and 12,899.98

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Solution

The fourth proportional to 36,279.01, 54,385.66 and 12,899.98 is: 19,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279.01 : 54,385.66 = 12,899.98 : x
  2. Step 2: Convert to fraction form
    36,279.01/54,385.66 = 12,899.98/x
  3. Step 3: Cross multiply
    36,279.01x = 54,385.66 × 12,899.98
  4. Step 4: Simplify right side
    36,279.01x = 701,573,926.29
  5. Step 5: Solve for x
    x = 701,573,926.29/36,279.01
  6. Step 6: Final answer
    x = 19,338.29

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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.