Home / 50,772.72-76,118.04-21,212.58

Finding the Fourth Proportional to 50,772.72, 76,118.04 and 21,212.58

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Solution

The fourth proportional to 50,772.72, 76,118.04 and 21,212.58 is: 31,801.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,772.72 : 76,118.04 = 21,212.58 : x
  2. Step 2: Convert to fraction form
    50,772.72/76,118.04 = 21,212.58/x
  3. Step 3: Cross multiply
    50,772.72x = 76,118.04 × 21,212.58
  4. Step 4: Simplify right side
    50,772.72x = 1,614,660,012.94
  5. Step 5: Solve for x
    x = 1,614,660,012.94/50,772.72
  6. Step 6: Final answer
    x = 31,801.72

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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.