Home / 39,986.12-55,182.62-22,995.88

Finding the Fourth Proportional to 39,986.12, 55,182.62 and 22,995.88

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Solution

The fourth proportional to 39,986.12, 55,182.62 and 22,995.88 is: 31,735.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986.12 : 55,182.62 = 22,995.88 : x
  2. Step 2: Convert to fraction form
    39,986.12/55,182.62 = 22,995.88/x
  3. Step 3: Cross multiply
    39,986.12x = 55,182.62 × 22,995.88
  4. Step 4: Simplify right side
    39,986.12x = 1,268,972,907.61
  5. Step 5: Solve for x
    x = 1,268,972,907.61/39,986.12
  6. Step 6: Final answer
    x = 31,735.33

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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.