Home / 31,846.60-43,947.35-18,234.19

Finding the Fourth Proportional to 31,846.60, 43,947.35 and 18,234.19

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Solution

The fourth proportional to 31,846.60, 43,947.35 and 18,234.19 is: 25,162.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,846.60 : 43,947.35 = 18,234.19 : x
  2. Step 2: Convert to fraction form
    31,846.60/43,947.35 = 18,234.19/x
  3. Step 3: Cross multiply
    31,846.60x = 43,947.35 × 18,234.19
  4. Step 4: Simplify right side
    31,846.60x = 801,344,329.90
  5. Step 5: Solve for x
    x = 801,344,329.90/31,846.60
  6. Step 6: Final answer
    x = 25,162.63

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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.