Home / 31,460.76-43,414.20-17,310.90

Finding the Fourth Proportional to 31,460.76, 43,414.20 and 17,310.90

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Solution

The fourth proportional to 31,460.76, 43,414.20 and 17,310.90 is: 23,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.76 : 43,414.20 = 17,310.90 : x
  2. Step 2: Convert to fraction form
    31,460.76/43,414.20 = 17,310.90/x
  3. Step 3: Cross multiply
    31,460.76x = 43,414.20 × 17,310.90
  4. Step 4: Simplify right side
    31,460.76x = 751,538,874.78
  5. Step 5: Solve for x
    x = 751,538,874.78/31,460.76
  6. Step 6: Final answer
    x = 23,888.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.