Home / 50,847.88-70,167.52-28,487.56

Finding the Fourth Proportional to 50,847.88, 70,167.52 and 28,487.56

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Solution

The fourth proportional to 50,847.88, 70,167.52 and 28,487.56 is: 39,311.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,847.88 : 70,167.52 = 28,487.56 : x
  2. Step 2: Convert to fraction form
    50,847.88/70,167.52 = 28,487.56/x
  3. Step 3: Cross multiply
    50,847.88x = 70,167.52 × 28,487.56
  4. Step 4: Simplify right side
    50,847.88x = 1,998,901,436.05
  5. Step 5: Solve for x
    x = 1,998,901,436.05/50,847.88
  6. Step 6: Final answer
    x = 39,311.40

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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.