Home / 36,979.38-51,031.89-21,063.60

Finding the Fourth Proportional to 36,979.38, 51,031.89 and 21,063.60

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Solution

The fourth proportional to 36,979.38, 51,031.89 and 21,063.60 is: 29,067.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.38 : 51,031.89 = 21,063.60 : x
  2. Step 2: Convert to fraction form
    36,979.38/51,031.89 = 21,063.60/x
  3. Step 3: Cross multiply
    36,979.38x = 51,031.89 × 21,063.60
  4. Step 4: Simplify right side
    36,979.38x = 1,074,915,318.20
  5. Step 5: Solve for x
    x = 1,074,915,318.20/36,979.38
  6. Step 6: Final answer
    x = 29,067.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.