Home / 30,002.50-41,403.45-16,754.50

Finding the Fourth Proportional to 30,002.50, 41,403.45 and 16,754.50

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Solution

The fourth proportional to 30,002.50, 41,403.45 and 16,754.50 is: 23,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,002.50 : 41,403.45 = 16,754.50 : x
  2. Step 2: Convert to fraction form
    30,002.50/41,403.45 = 16,754.50/x
  3. Step 3: Cross multiply
    30,002.50x = 41,403.45 × 16,754.50
  4. Step 4: Simplify right side
    30,002.50x = 693,694,103.03
  5. Step 5: Solve for x
    x = 693,694,103.03/30,002.50
  6. Step 6: Final answer
    x = 23,121.21

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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.