Home / 31,795.12-43,869.36-17,644.42

Finding the Fourth Proportional to 31,795.12, 43,869.36 and 17,644.42

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Solution

The fourth proportional to 31,795.12, 43,869.36 and 17,644.42 is: 24,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,795.12 : 43,869.36 = 17,644.42 : x
  2. Step 2: Convert to fraction form
    31,795.12/43,869.36 = 17,644.42/x
  3. Step 3: Cross multiply
    31,795.12x = 43,869.36 × 17,644.42
  4. Step 4: Simplify right side
    31,795.12x = 774,049,412.97
  5. Step 5: Solve for x
    x = 774,049,412.97/31,795.12
  6. Step 6: Final answer
    x = 24,344.91

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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.