Home / 31,694.94-43,748.91-19,751.22

Finding the Fourth Proportional to 31,694.94, 43,748.91 and 19,751.22

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Solution

The fourth proportional to 31,694.94, 43,748.91 and 19,751.22 is: 27,262.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,694.94 : 43,748.91 = 19,751.22 : x
  2. Step 2: Convert to fraction form
    31,694.94/43,748.91 = 19,751.22/x
  3. Step 3: Cross multiply
    31,694.94x = 43,748.91 × 19,751.22
  4. Step 4: Simplify right side
    31,694.94x = 864,094,346.17
  5. Step 5: Solve for x
    x = 864,094,346.17/31,694.94
  6. Step 6: Final answer
    x = 27,262.85

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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.