Home / 31,618.20-43,629.12-17,471.10

Finding the Fourth Proportional to 31,618.20, 43,629.12 and 17,471.10

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Solution

The fourth proportional to 31,618.20, 43,629.12 and 17,471.10 is: 24,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618.20 : 43,629.12 = 17,471.10 : x
  2. Step 2: Convert to fraction form
    31,618.20/43,629.12 = 17,471.10/x
  3. Step 3: Cross multiply
    31,618.20x = 43,629.12 × 17,471.10
  4. Step 4: Simplify right side
    31,618.20x = 762,248,718.43
  5. Step 5: Solve for x
    x = 762,248,718.43/31,618.20
  6. Step 6: Final answer
    x = 24,107.91

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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.