Home / 40,435.20-55,791.36-23,660.16

Finding the Fourth Proportional to 40,435.20, 55,791.36 and 23,660.16

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Solution

The fourth proportional to 40,435.20, 55,791.36 and 23,660.16 is: 32,645.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,435.20 : 55,791.36 = 23,660.16 : x
  2. Step 2: Convert to fraction form
    40,435.20/55,791.36 = 23,660.16/x
  3. Step 3: Cross multiply
    40,435.20x = 55,791.36 × 23,660.16
  4. Step 4: Simplify right side
    40,435.20x = 1,320,032,504.22
  5. Step 5: Solve for x
    x = 1,320,032,504.22/40,435.20
  6. Step 6: Final answer
    x = 32,645.63

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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.