Home / 31,844.01-43,945.14-18,415.83

Finding the Fourth Proportional to 31,844.01, 43,945.14 and 18,415.83

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Solution

The fourth proportional to 31,844.01, 43,945.14 and 18,415.83 is: 25,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,844.01 : 43,945.14 = 18,415.83 : x
  2. Step 2: Convert to fraction form
    31,844.01/43,945.14 = 18,415.83/x
  3. Step 3: Cross multiply
    31,844.01x = 43,945.14 × 18,415.83
  4. Step 4: Simplify right side
    31,844.01x = 809,286,227.57
  5. Step 5: Solve for x
    x = 809,286,227.57/31,844.01
  6. Step 6: Final answer
    x = 25,414.08

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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.