Home / 30,084.26-41,472.84-21,103.88

Finding the Fourth Proportional to 30,084.26, 41,472.84 and 21,103.88

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Solution

The fourth proportional to 30,084.26, 41,472.84 and 21,103.88 is: 29,092.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,084.26 : 41,472.84 = 21,103.88 : x
  2. Step 2: Convert to fraction form
    30,084.26/41,472.84 = 21,103.88/x
  3. Step 3: Cross multiply
    30,084.26x = 41,472.84 × 21,103.88
  4. Step 4: Simplify right side
    30,084.26x = 875,237,838.62
  5. Step 5: Solve for x
    x = 875,237,838.62/30,084.26
  6. Step 6: Final answer
    x = 29,092.88

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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.