Home / 55,244.38-76,234.62-31,367.88

Finding the Fourth Proportional to 55,244.38, 76,234.62 and 31,367.88

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Solution

The fourth proportional to 55,244.38, 76,234.62 and 31,367.88 is: 43,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,244.38 : 76,234.62 = 31,367.88 : x
  2. Step 2: Convert to fraction form
    55,244.38/76,234.62 = 31,367.88/x
  3. Step 3: Cross multiply
    55,244.38x = 76,234.62 × 31,367.88
  4. Step 4: Simplify right side
    55,244.38x = 2,391,318,412.01
  5. Step 5: Solve for x
    x = 2,391,318,412.01/55,244.38
  6. Step 6: Final answer
    x = 43,286.18

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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.