Home / 30,416.02-45,624.29-8,229.60

Finding the Fourth Proportional to 30,416.02, 45,624.29 and 8,229.60

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Solution

The fourth proportional to 30,416.02, 45,624.29 and 8,229.60 is: 12,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,416.02 : 45,624.29 = 8,229.60 : x
  2. Step 2: Convert to fraction form
    30,416.02/45,624.29 = 8,229.60/x
  3. Step 3: Cross multiply
    30,416.02x = 45,624.29 × 8,229.60
  4. Step 4: Simplify right side
    30,416.02x = 375,469,656.98
  5. Step 5: Solve for x
    x = 375,469,656.98/30,416.02
  6. Step 6: Final answer
    x = 12,344.47

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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.