Home / 30,190.80-45,299.02-16,147.19

Finding the Fourth Proportional to 30,190.80, 45,299.02 and 16,147.19

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Solution

The fourth proportional to 30,190.80, 45,299.02 and 16,147.19 is: 24,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,190.80 : 45,299.02 = 16,147.19 : x
  2. Step 2: Convert to fraction form
    30,190.80/45,299.02 = 16,147.19/x
  3. Step 3: Cross multiply
    30,190.80x = 45,299.02 × 16,147.19
  4. Step 4: Simplify right side
    30,190.80x = 731,451,882.75
  5. Step 5: Solve for x
    x = 731,451,882.75/30,190.80
  6. Step 6: Final answer
    x = 24,227.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.