Home / 31,772.12-43,850.77-17,629.52

Finding the Fourth Proportional to 31,772.12, 43,850.77 and 17,629.52

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Solution

The fourth proportional to 31,772.12, 43,850.77 and 17,629.52 is: 24,331.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,772.12 : 43,850.77 = 17,629.52 : x
  2. Step 2: Convert to fraction form
    31,772.12/43,850.77 = 17,629.52/x
  3. Step 3: Cross multiply
    31,772.12x = 43,850.77 × 17,629.52
  4. Step 4: Simplify right side
    31,772.12x = 773,067,763.40
  5. Step 5: Solve for x
    x = 773,067,763.40/31,772.12
  6. Step 6: Final answer
    x = 24,331.64

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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.