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Finding the Fourth Proportional to 57,447.58, 86,171.97 and 17,473.05

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Solution

The fourth proportional to 57,447.58, 86,171.97 and 17,473.05 is: 26,209.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,447.58 : 86,171.97 = 17,473.05 : x
  2. Step 2: Convert to fraction form
    57,447.58/86,171.97 = 17,473.05/x
  3. Step 3: Cross multiply
    57,447.58x = 86,171.97 × 17,473.05
  4. Step 4: Simplify right side
    57,447.58x = 1,505,687,140.41
  5. Step 5: Solve for x
    x = 1,505,687,140.41/57,447.58
  6. Step 6: Final answer
    x = 26,209.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.