Home / 31,186.10-43,034.42-17,754.68

Finding the Fourth Proportional to 31,186.10, 43,034.42 and 17,754.68

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Solution

The fourth proportional to 31,186.10, 43,034.42 and 17,754.68 is: 24,500.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,186.10 : 43,034.42 = 17,754.68 : x
  2. Step 2: Convert to fraction form
    31,186.10/43,034.42 = 17,754.68/x
  3. Step 3: Cross multiply
    31,186.10x = 43,034.42 × 17,754.68
  4. Step 4: Simplify right side
    31,186.10x = 764,062,508.06
  5. Step 5: Solve for x
    x = 764,062,508.06/31,186.10
  6. Step 6: Final answer
    x = 24,500.10

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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.