Home / 31,231.76-43,098.83-17,083.70

Finding the Fourth Proportional to 31,231.76, 43,098.83 and 17,083.70

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Solution

The fourth proportional to 31,231.76, 43,098.83 and 17,083.70 is: 23,574.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.76 : 43,098.83 = 17,083.70 : x
  2. Step 2: Convert to fraction form
    31,231.76/43,098.83 = 17,083.70/x
  3. Step 3: Cross multiply
    31,231.76x = 43,098.83 × 17,083.70
  4. Step 4: Simplify right side
    31,231.76x = 736,287,181.16
  5. Step 5: Solve for x
    x = 736,287,181.16/31,231.76
  6. Step 6: Final answer
    x = 23,574.95

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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.