Home / 31,221.11-43,093.17-19,277.61

Finding the Fourth Proportional to 31,221.11, 43,093.17 and 19,277.61

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Solution

The fourth proportional to 31,221.11, 43,093.17 and 19,277.61 is: 26,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,221.11 : 43,093.17 = 19,277.61 : x
  2. Step 2: Convert to fraction form
    31,221.11/43,093.17 = 19,277.61/x
  3. Step 3: Cross multiply
    31,221.11x = 43,093.17 × 19,277.61
  4. Step 4: Simplify right side
    31,221.11x = 830,733,324.92
  5. Step 5: Solve for x
    x = 830,733,324.92/31,221.11
  6. Step 6: Final answer
    x = 26,608.07

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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.