Home / 31,296.38-43,181.28-18,552.54

Finding the Fourth Proportional to 31,296.38, 43,181.28 and 18,552.54

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Solution

The fourth proportional to 31,296.38, 43,181.28 and 18,552.54 is: 25,597.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,296.38 : 43,181.28 = 18,552.54 : x
  2. Step 2: Convert to fraction form
    31,296.38/43,181.28 = 18,552.54/x
  3. Step 3: Cross multiply
    31,296.38x = 43,181.28 × 18,552.54
  4. Step 4: Simplify right side
    31,296.38x = 801,122,424.45
  5. Step 5: Solve for x
    x = 801,122,424.45/31,296.38
  6. Step 6: Final answer
    x = 25,597.93

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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.