Home / 30,084.20-41,515.86-16,655.56

Finding the Fourth Proportional to 30,084.20, 41,515.86 and 16,655.56

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Solution

The fourth proportional to 30,084.20, 41,515.86 and 16,655.56 is: 22,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,084.20 : 41,515.86 = 16,655.56 : x
  2. Step 2: Convert to fraction form
    30,084.20/41,515.86 = 16,655.56/x
  3. Step 3: Cross multiply
    30,084.20x = 41,515.86 × 16,655.56
  4. Step 4: Simplify right side
    30,084.20x = 691,469,897.18
  5. Step 5: Solve for x
    x = 691,469,897.18/30,084.20
  6. Step 6: Final answer
    x = 22,984.49

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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.