Home / 50,981.63-70,358.96-28,629.95

Finding the Fourth Proportional to 50,981.63, 70,358.96 and 28,629.95

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Solution

The fourth proportional to 50,981.63, 70,358.96 and 28,629.95 is: 39,511.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,981.63 : 70,358.96 = 28,629.95 : x
  2. Step 2: Convert to fraction form
    50,981.63/70,358.96 = 28,629.95/x
  3. Step 3: Cross multiply
    50,981.63x = 70,358.96 × 28,629.95
  4. Step 4: Simplify right side
    50,981.63x = 2,014,373,226.63
  5. Step 5: Solve for x
    x = 2,014,373,226.63/50,981.63
  6. Step 6: Final answer
    x = 39,511.75

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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.