Home / 50,956.94-70,319.25-28,295.21

Finding the Fourth Proportional to 50,956.94, 70,319.25 and 28,295.21

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Solution

The fourth proportional to 50,956.94, 70,319.25 and 28,295.21 is: 39,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,956.94 : 70,319.25 = 28,295.21 : x
  2. Step 2: Convert to fraction form
    50,956.94/70,319.25 = 28,295.21/x
  3. Step 3: Cross multiply
    50,956.94x = 70,319.25 × 28,295.21
  4. Step 4: Simplify right side
    50,956.94x = 1,989,697,594.20
  5. Step 5: Solve for x
    x = 1,989,697,594.20/50,956.94
  6. Step 6: Final answer
    x = 39,046.65

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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.