Home / 31,382.73-43,308.51-17,235.57

Finding the Fourth Proportional to 31,382.73, 43,308.51 and 17,235.57

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Solution

The fourth proportional to 31,382.73, 43,308.51 and 17,235.57 is: 23,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,382.73 : 43,308.51 = 17,235.57 : x
  2. Step 2: Convert to fraction form
    31,382.73/43,308.51 = 17,235.57/x
  3. Step 3: Cross multiply
    31,382.73x = 43,308.51 × 17,235.57
  4. Step 4: Simplify right side
    31,382.73x = 746,446,769.52
  5. Step 5: Solve for x
    x = 746,446,769.52/31,382.73
  6. Step 6: Final answer
    x = 23,785.27

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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.