Home / 50,872.76-70,202.46-28,212.68

Finding the Fourth Proportional to 50,872.76, 70,202.46 and 28,212.68

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Solution

The fourth proportional to 50,872.76, 70,202.46 and 28,212.68 is: 38,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,872.76 : 70,202.46 = 28,212.68 : x
  2. Step 2: Convert to fraction form
    50,872.76/70,202.46 = 28,212.68/x
  3. Step 3: Cross multiply
    50,872.76x = 70,202.46 × 28,212.68
  4. Step 4: Simplify right side
    50,872.76x = 1,980,599,539.19
  5. Step 5: Solve for x
    x = 1,980,599,539.19/50,872.76
  6. Step 6: Final answer
    x = 38,932.42

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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.