Home / 31,576.41-43,575.23-17,236.18

Finding the Fourth Proportional to 31,576.41, 43,575.23 and 17,236.18

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Solution

The fourth proportional to 31,576.41, 43,575.23 and 17,236.18 is: 23,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,576.41 : 43,575.23 = 17,236.18 : x
  2. Step 2: Convert to fraction form
    31,576.41/43,575.23 = 17,236.18/x
  3. Step 3: Cross multiply
    31,576.41x = 43,575.23 × 17,236.18
  4. Step 4: Simplify right side
    31,576.41x = 751,070,507.82
  5. Step 5: Solve for x
    x = 751,070,507.82/31,576.41
  6. Step 6: Final answer
    x = 23,785.81

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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.