Home / 33,730.16-50,620.55-12,690.95

Finding the Fourth Proportional to 33,730.16, 50,620.55 and 12,690.95

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Solution

The fourth proportional to 33,730.16, 50,620.55 and 12,690.95 is: 19,045.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,730.16 : 50,620.55 = 12,690.95 : x
  2. Step 2: Convert to fraction form
    33,730.16/50,620.55 = 12,690.95/x
  3. Step 3: Cross multiply
    33,730.16x = 50,620.55 × 12,690.95
  4. Step 4: Simplify right side
    33,730.16x = 642,422,552.47
  5. Step 5: Solve for x
    x = 642,422,552.47/33,730.16
  6. Step 6: Final answer
    x = 19,045.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.