Home / 50,976.92-70,346.17-28,317.35

Finding the Fourth Proportional to 50,976.92, 70,346.17 and 28,317.35

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Solution

The fourth proportional to 50,976.92, 70,346.17 and 28,317.35 is: 39,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,976.92 : 70,346.17 = 28,317.35 : x
  2. Step 2: Convert to fraction form
    50,976.92/70,346.17 = 28,317.35/x
  3. Step 3: Cross multiply
    50,976.92x = 70,346.17 × 28,317.35
  4. Step 4: Simplify right side
    50,976.92x = 1,992,016,932.61
  5. Step 5: Solve for x
    x = 1,992,016,932.61/50,976.92
  6. Step 6: Final answer
    x = 39,076.84

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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.