Home / 31,447.38-43,393.86-18,014.97

Finding the Fourth Proportional to 31,447.38, 43,393.86 and 18,014.97

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Solution

The fourth proportional to 31,447.38, 43,393.86 and 18,014.97 is: 24,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,447.38 : 43,393.86 = 18,014.97 : x
  2. Step 2: Convert to fraction form
    31,447.38/43,393.86 = 18,014.97/x
  3. Step 3: Cross multiply
    31,447.38x = 43,393.86 × 18,014.97
  4. Step 4: Simplify right side
    31,447.38x = 781,739,086.08
  5. Step 5: Solve for x
    x = 781,739,086.08/31,447.38
  6. Step 6: Final answer
    x = 24,858.64

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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.