Home / 55,243.38-76,233.24-31,366.92

Finding the Fourth Proportional to 55,243.38, 76,233.24 and 31,366.92

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Solution

The fourth proportional to 55,243.38, 76,233.24 and 31,366.92 is: 43,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,243.38 : 76,233.24 = 31,366.92 : x
  2. Step 2: Convert to fraction form
    55,243.38/76,233.24 = 31,366.92/x
  3. Step 3: Cross multiply
    55,243.38x = 76,233.24 × 31,366.92
  4. Step 4: Simplify right side
    55,243.38x = 2,391,201,940.42
  5. Step 5: Solve for x
    x = 2,391,201,940.42/55,243.38
  6. Step 6: Final answer
    x = 43,284.86

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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.