Home / 30,310.89-45,466.33-9,251.04

Finding the Fourth Proportional to 30,310.89, 45,466.33 and 9,251.04

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Solution

The fourth proportional to 30,310.89, 45,466.33 and 9,251.04 is: 13,876.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310.89 : 45,466.33 = 9,251.04 : x
  2. Step 2: Convert to fraction form
    30,310.89/45,466.33 = 9,251.04/x
  3. Step 3: Cross multiply
    30,310.89x = 45,466.33 × 9,251.04
  4. Step 4: Simplify right side
    30,310.89x = 420,610,579.55
  5. Step 5: Solve for x
    x = 420,610,579.55/30,310.89
  6. Step 6: Final answer
    x = 13,876.55

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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.