Home / 36,979.75-51,032.87-20,212.75

Finding the Fourth Proportional to 36,979.75, 51,032.87 and 20,212.75

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Solution

The fourth proportional to 36,979.75, 51,032.87 and 20,212.75 is: 27,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,979.75 : 51,032.87 = 20,212.75 : x
  2. Step 2: Convert to fraction form
    36,979.75/51,032.87 = 20,212.75/x
  3. Step 3: Cross multiply
    36,979.75x = 51,032.87 × 20,212.75
  4. Step 4: Simplify right side
    36,979.75x = 1,031,514,542.03
  5. Step 5: Solve for x
    x = 1,031,514,542.03/36,979.75
  6. Step 6: Final answer
    x = 27,894.04

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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.