Home / 31,459.27-43,414.81-18,033.06

Finding the Fourth Proportional to 31,459.27, 43,414.81 and 18,033.06

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Solution

The fourth proportional to 31,459.27, 43,414.81 and 18,033.06 is: 24,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.27 : 43,414.81 = 18,033.06 : x
  2. Step 2: Convert to fraction form
    31,459.27/43,414.81 = 18,033.06/x
  3. Step 3: Cross multiply
    31,459.27x = 43,414.81 × 18,033.06
  4. Step 4: Simplify right side
    31,459.27x = 782,902,042.06
  5. Step 5: Solve for x
    x = 782,902,042.06/31,459.27
  6. Step 6: Final answer
    x = 24,886.21

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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.