Home / 31,814.25-43,903.67-17,667.20

Finding the Fourth Proportional to 31,814.25, 43,903.67 and 17,667.20

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Solution

The fourth proportional to 31,814.25, 43,903.67 and 17,667.20 is: 24,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.25 : 43,903.67 = 17,667.20 : x
  2. Step 2: Convert to fraction form
    31,814.25/43,903.67 = 17,667.20/x
  3. Step 3: Cross multiply
    31,814.25x = 43,903.67 × 17,667.20
  4. Step 4: Simplify right side
    31,814.25x = 775,654,610.77
  5. Step 5: Solve for x
    x = 775,654,610.77/31,814.25
  6. Step 6: Final answer
    x = 24,380.73

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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.