Home / 36,478.36-54,719.97-11,519.43

Finding the Fourth Proportional to 36,478.36, 54,719.97 and 11,519.43

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Solution

The fourth proportional to 36,478.36, 54,719.97 and 11,519.43 is: 17,279.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,478.36 : 54,719.97 = 11,519.43 : x
  2. Step 2: Convert to fraction form
    36,478.36/54,719.97 = 11,519.43/x
  3. Step 3: Cross multiply
    36,478.36x = 54,719.97 × 11,519.43
  4. Step 4: Simplify right side
    36,478.36x = 630,342,864.02
  5. Step 5: Solve for x
    x = 630,342,864.02/36,478.36
  6. Step 6: Final answer
    x = 17,279.91

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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.