Home / 30,517.22-45,775.83-8,330.10

Finding the Fourth Proportional to 30,517.22, 45,775.83 and 8,330.10

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Solution

The fourth proportional to 30,517.22, 45,775.83 and 8,330.10 is: 12,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,517.22 : 45,775.83 = 8,330.10 : x
  2. Step 2: Convert to fraction form
    30,517.22/45,775.83 = 8,330.10/x
  3. Step 3: Cross multiply
    30,517.22x = 45,775.83 × 8,330.10
  4. Step 4: Simplify right side
    30,517.22x = 381,317,241.48
  5. Step 5: Solve for x
    x = 381,317,241.48/30,517.22
  6. Step 6: Final answer
    x = 12,495.15

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Similar ratio
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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.