Home / 31,228.94-43,091.93-19,134.83

Finding the Fourth Proportional to 31,228.94, 43,091.93 and 19,134.83

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Solution

The fourth proportional to 31,228.94, 43,091.93 and 19,134.83 is: 26,403.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,228.94 : 43,091.93 = 19,134.83 : x
  2. Step 2: Convert to fraction form
    31,228.94/43,091.93 = 19,134.83/x
  3. Step 3: Cross multiply
    31,228.94x = 43,091.93 × 19,134.83
  4. Step 4: Simplify right side
    31,228.94x = 824,556,910.49
  5. Step 5: Solve for x
    x = 824,556,910.49/31,228.94
  6. Step 6: Final answer
    x = 26,403.61

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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.