Home / 50,209.56-69,361.29-40,124.79

Finding the Fourth Proportional to 50,209.56, 69,361.29 and 40,124.79

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Solution

The fourth proportional to 50,209.56, 69,361.29 and 40,124.79 is: 55,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,209.56 : 69,361.29 = 40,124.79 : x
  2. Step 2: Convert to fraction form
    50,209.56/69,361.29 = 40,124.79/x
  3. Step 3: Cross multiply
    50,209.56x = 69,361.29 × 40,124.79
  4. Step 4: Simplify right side
    50,209.56x = 2,783,107,195.38
  5. Step 5: Solve for x
    x = 2,783,107,195.38/50,209.56
  6. Step 6: Final answer
    x = 55,429.83

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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.