Home / 31,694.49-43,725.90-20,362.41

Finding the Fourth Proportional to 31,694.49, 43,725.90 and 20,362.41

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Solution

The fourth proportional to 31,694.49, 43,725.90 and 20,362.41 is: 28,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,694.49 : 43,725.90 = 20,362.41 : x
  2. Step 2: Convert to fraction form
    31,694.49/43,725.90 = 20,362.41/x
  3. Step 3: Cross multiply
    31,694.49x = 43,725.90 × 20,362.41
  4. Step 4: Simplify right side
    31,694.49x = 890,364,703.42
  5. Step 5: Solve for x
    x = 890,364,703.42/31,694.49
  6. Step 6: Final answer
    x = 28,092.10

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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.