Home / 31,382.92-43,308.77-17,235.76

Finding the Fourth Proportional to 31,382.92, 43,308.77 and 17,235.76

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Solution

The fourth proportional to 31,382.92, 43,308.77 and 17,235.76 is: 23,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,382.92 : 43,308.77 = 17,235.76 : x
  2. Step 2: Convert to fraction form
    31,382.92/43,308.77 = 17,235.76/x
  3. Step 3: Cross multiply
    31,382.92x = 43,308.77 × 17,235.76
  4. Step 4: Simplify right side
    31,382.92x = 746,459,371.16
  5. Step 5: Solve for x
    x = 746,459,371.16/31,382.92
  6. Step 6: Final answer
    x = 23,785.53

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Half scale
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Double scale
Find fourth proportional to 31,383.92, 43,310.15 and 17,236.76
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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.