Home / 30,002.75-41,403.80-16,754.75

Finding the Fourth Proportional to 30,002.75, 41,403.80 and 16,754.75

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Solution

The fourth proportional to 30,002.75, 41,403.80 and 16,754.75 is: 23,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,002.75 : 41,403.80 = 16,754.75 : x
  2. Step 2: Convert to fraction form
    30,002.75/41,403.80 = 16,754.75/x
  3. Step 3: Cross multiply
    30,002.75x = 41,403.80 × 16,754.75
  4. Step 4: Simplify right side
    30,002.75x = 693,710,234.28
  5. Step 5: Solve for x
    x = 693,710,234.28/30,002.75
  6. Step 6: Final answer
    x = 23,121.56

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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.