Home / 30,310.75-45,466.12-9,250.90

Finding the Fourth Proportional to 30,310.75, 45,466.12 and 9,250.90

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Solution

The fourth proportional to 30,310.75, 45,466.12 and 9,250.90 is: 13,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310.75 : 45,466.12 = 9,250.90 : x
  2. Step 2: Convert to fraction form
    30,310.75/45,466.12 = 9,250.90/x
  3. Step 3: Cross multiply
    30,310.75x = 45,466.12 × 9,250.90
  4. Step 4: Simplify right side
    30,310.75x = 420,602,427.41
  5. Step 5: Solve for x
    x = 420,602,427.41/30,310.75
  6. Step 6: Final answer
    x = 13,876.34

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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.