Home / 36,067.41-49,761.90-20,957.20

Finding the Fourth Proportional to 36,067.41, 49,761.90 and 20,957.20

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Solution

The fourth proportional to 36,067.41, 49,761.90 and 20,957.20 is: 28,914.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,067.41 : 49,761.90 = 20,957.20 : x
  2. Step 2: Convert to fraction form
    36,067.41/49,761.90 = 20,957.20/x
  3. Step 3: Cross multiply
    36,067.41x = 49,761.90 × 20,957.20
  4. Step 4: Simplify right side
    36,067.41x = 1,042,869,966.28
  5. Step 5: Solve for x
    x = 1,042,869,966.28/36,067.41
  6. Step 6: Final answer
    x = 28,914.47

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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.