Home / 36,326.83-50,128.73-21,223.78

Finding the Fourth Proportional to 36,326.83, 50,128.73 and 21,223.78

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Solution

The fourth proportional to 36,326.83, 50,128.73 and 21,223.78 is: 29,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,326.83 : 50,128.73 = 21,223.78 : x
  2. Step 2: Convert to fraction form
    36,326.83/50,128.73 = 21,223.78/x
  3. Step 3: Cross multiply
    36,326.83x = 50,128.73 × 21,223.78
  4. Step 4: Simplify right side
    36,326.83x = 1,063,921,137.20
  5. Step 5: Solve for x
    x = 1,063,921,137.20/36,326.83
  6. Step 6: Final answer
    x = 29,287.48

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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.