Home / 31,796.52-43,875.96-18,372.06

Finding the Fourth Proportional to 31,796.52, 43,875.96 and 18,372.06

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Solution

The fourth proportional to 31,796.52, 43,875.96 and 18,372.06 is: 25,351.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,796.52 : 43,875.96 = 18,372.06 : x
  2. Step 2: Convert to fraction form
    31,796.52/43,875.96 = 18,372.06/x
  3. Step 3: Cross multiply
    31,796.52x = 43,875.96 × 18,372.06
  4. Step 4: Simplify right side
    31,796.52x = 806,091,769.68
  5. Step 5: Solve for x
    x = 806,091,769.68/31,796.52
  6. Step 6: Final answer
    x = 25,351.57

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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.