Home / 30,944.07-42,702.53-16,796.61

Finding the Fourth Proportional to 30,944.07, 42,702.53 and 16,796.61

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Solution

The fourth proportional to 30,944.07, 42,702.53 and 16,796.61 is: 23,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,944.07 : 42,702.53 = 16,796.61 : x
  2. Step 2: Convert to fraction form
    30,944.07/42,702.53 = 16,796.61/x
  3. Step 3: Cross multiply
    30,944.07x = 42,702.53 × 16,796.61
  4. Step 4: Simplify right side
    30,944.07x = 717,257,658.44
  5. Step 5: Solve for x
    x = 717,257,658.44/30,944.07
  6. Step 6: Final answer
    x = 23,179.16

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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.