Home / 38,958.70-58,446.72-18,170.86

Finding the Fourth Proportional to 38,958.70, 58,446.72 and 18,170.86

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Solution

The fourth proportional to 38,958.70, 58,446.72 and 18,170.86 is: 27,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,958.70 : 58,446.72 = 18,170.86 : x
  2. Step 2: Convert to fraction form
    38,958.70/58,446.72 = 18,170.86/x
  3. Step 3: Cross multiply
    38,958.70x = 58,446.72 × 18,170.86
  4. Step 4: Simplify right side
    38,958.70x = 1,062,027,166.58
  5. Step 5: Solve for x
    x = 1,062,027,166.58/38,958.70
  6. Step 6: Final answer
    x = 27,260.33

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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.