Home / 31,327.42-43,230.90-17,179.96

Finding the Fourth Proportional to 31,327.42, 43,230.90 and 17,179.96

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Solution

The fourth proportional to 31,327.42, 43,230.90 and 17,179.96 is: 23,707.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,327.42 : 43,230.90 = 17,179.96 : x
  2. Step 2: Convert to fraction form
    31,327.42/43,230.90 = 17,179.96/x
  3. Step 3: Cross multiply
    31,327.42x = 43,230.90 × 17,179.96
  4. Step 4: Simplify right side
    31,327.42x = 742,705,132.76
  5. Step 5: Solve for x
    x = 742,705,132.76/31,327.42
  6. Step 6: Final answer
    x = 23,707.83

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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.