Home / 31,301.44-43,188.26-18,557.61

Finding the Fourth Proportional to 31,301.44, 43,188.26 and 18,557.61

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Solution

The fourth proportional to 31,301.44, 43,188.26 and 18,557.61 is: 25,604.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,301.44 : 43,188.26 = 18,557.61 : x
  2. Step 2: Convert to fraction form
    31,301.44/43,188.26 = 18,557.61/x
  3. Step 3: Cross multiply
    31,301.44x = 43,188.26 × 18,557.61
  4. Step 4: Simplify right side
    31,301.44x = 801,470,885.66
  5. Step 5: Solve for x
    x = 801,470,885.66/31,301.44
  6. Step 6: Final answer
    x = 25,604.92

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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.