Home / 31,755.04-43,796.58-21,694.84

Finding the Fourth Proportional to 31,755.04, 43,796.58 and 21,694.84

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Solution

The fourth proportional to 31,755.04, 43,796.58 and 21,694.84 is: 29,921.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,755.04 : 43,796.58 = 21,694.84 : x
  2. Step 2: Convert to fraction form
    31,755.04/43,796.58 = 21,694.84/x
  3. Step 3: Cross multiply
    31,755.04x = 43,796.58 × 21,694.84
  4. Step 4: Simplify right side
    31,755.04x = 950,159,795.65
  5. Step 5: Solve for x
    x = 950,159,795.65/31,755.04
  6. Step 6: Final answer
    x = 29,921.54

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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.