Home / 41,540.30-62,310.45-30,386.60

Finding the Fourth Proportional to 41,540.30, 62,310.45 and 30,386.60

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Solution

The fourth proportional to 41,540.30, 62,310.45 and 30,386.60 is: 45,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,540.30 : 62,310.45 = 30,386.60 : x
  2. Step 2: Convert to fraction form
    41,540.30/62,310.45 = 30,386.60/x
  3. Step 3: Cross multiply
    41,540.30x = 62,310.45 × 30,386.60
  4. Step 4: Simplify right side
    41,540.30x = 1,893,402,719.97
  5. Step 5: Solve for x
    x = 1,893,402,719.97/41,540.30
  6. Step 6: Final answer
    x = 45,579.90

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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.