Home / 40,076.26-55,305.46-22,171.90

Finding the Fourth Proportional to 40,076.26, 55,305.46 and 22,171.90

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Solution

The fourth proportional to 40,076.26, 55,305.46 and 22,171.90 is: 30,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076.26 : 55,305.46 = 22,171.90 : x
  2. Step 2: Convert to fraction form
    40,076.26/55,305.46 = 22,171.90/x
  3. Step 3: Cross multiply
    40,076.26x = 55,305.46 × 22,171.90
  4. Step 4: Simplify right side
    40,076.26x = 1,226,227,128.57
  5. Step 5: Solve for x
    x = 1,226,227,128.57/40,076.26
  6. Step 6: Final answer
    x = 30,597.34

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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.