Home / 50,257.96-75,391.85-12,818.36

Finding the Fourth Proportional to 50,257.96, 75,391.85 and 12,818.36

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Solution

The fourth proportional to 50,257.96, 75,391.85 and 12,818.36 is: 19,228.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,257.96 : 75,391.85 = 12,818.36 : x
  2. Step 2: Convert to fraction form
    50,257.96/75,391.85 = 12,818.36/x
  3. Step 3: Cross multiply
    50,257.96x = 75,391.85 × 12,818.36
  4. Step 4: Simplify right side
    50,257.96x = 966,399,973.56
  5. Step 5: Solve for x
    x = 966,399,973.56/50,257.96
  6. Step 6: Final answer
    x = 19,228.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.