Home / 31,267.11-43,119.44-19,924.79

Finding the Fourth Proportional to 31,267.11, 43,119.44 and 19,924.79

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Solution

The fourth proportional to 31,267.11, 43,119.44 and 19,924.79 is: 27,477.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.11 : 43,119.44 = 19,924.79 : x
  2. Step 2: Convert to fraction form
    31,267.11/43,119.44 = 19,924.79/x
  3. Step 3: Cross multiply
    31,267.11x = 43,119.44 × 19,924.79
  4. Step 4: Simplify right side
    31,267.11x = 859,145,546.41
  5. Step 5: Solve for x
    x = 859,145,546.41/31,267.11
  6. Step 6: Final answer
    x = 27,477.61

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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.