Home / 31,474.62-43,440.80-18,045.96

Finding the Fourth Proportional to 31,474.62, 43,440.80 and 18,045.96

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Solution

The fourth proportional to 31,474.62, 43,440.80 and 18,045.96 is: 24,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.62 : 43,440.80 = 18,045.96 : x
  2. Step 2: Convert to fraction form
    31,474.62/43,440.80 = 18,045.96/x
  3. Step 3: Cross multiply
    31,474.62x = 43,440.80 × 18,045.96
  4. Step 4: Simplify right side
    31,474.62x = 783,930,939.17
  5. Step 5: Solve for x
    x = 783,930,939.17/31,474.62
  6. Step 6: Final answer
    x = 24,906.76

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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.