Home / 31,659.07-43,691.89-18,047.44

Finding the Fourth Proportional to 31,659.07, 43,691.89 and 18,047.44

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Solution

The fourth proportional to 31,659.07, 43,691.89 and 18,047.44 is: 24,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,659.07 : 43,691.89 = 18,047.44 : x
  2. Step 2: Convert to fraction form
    31,659.07/43,691.89 = 18,047.44/x
  3. Step 3: Cross multiply
    31,659.07x = 43,691.89 × 18,047.44
  4. Step 4: Simplify right side
    31,659.07x = 788,526,601.23
  5. Step 5: Solve for x
    x = 788,526,601.23/31,659.07
  6. Step 6: Final answer
    x = 24,906.82

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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.