Home / 31,267.20-43,147.80-17,119.56

Finding the Fourth Proportional to 31,267.20, 43,147.80 and 17,119.56

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Solution

The fourth proportional to 31,267.20, 43,147.80 and 17,119.56 is: 23,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.20 : 43,147.80 = 17,119.56 : x
  2. Step 2: Convert to fraction form
    31,267.20/43,147.80 = 17,119.56/x
  3. Step 3: Cross multiply
    31,267.20x = 43,147.80 × 17,119.56
  4. Step 4: Simplify right side
    31,267.20x = 738,671,350.97
  5. Step 5: Solve for x
    x = 738,671,350.97/31,267.20
  6. Step 6: Final answer
    x = 23,624.48

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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.