Home / 40,201.12-55,470.90-22,293.28

Finding the Fourth Proportional to 40,201.12, 55,470.90 and 22,293.28

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Solution

The fourth proportional to 40,201.12, 55,470.90 and 22,293.28 is: 30,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,201.12 : 55,470.90 = 22,293.28 : x
  2. Step 2: Convert to fraction form
    40,201.12/55,470.90 = 22,293.28/x
  3. Step 3: Cross multiply
    40,201.12x = 55,470.90 × 22,293.28
  4. Step 4: Simplify right side
    40,201.12x = 1,236,628,305.55
  5. Step 5: Solve for x
    x = 1,236,628,305.55/40,201.12
  6. Step 6: Final answer
    x = 30,761.04

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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.