Home / 49,774.39-74,660.65-12,334.56

Finding the Fourth Proportional to 49,774.39, 74,660.65 and 12,334.56

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Solution

The fourth proportional to 49,774.39, 74,660.65 and 12,334.56 is: 18,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,774.39 : 74,660.65 = 12,334.56 : x
  2. Step 2: Convert to fraction form
    49,774.39/74,660.65 = 12,334.56/x
  3. Step 3: Cross multiply
    49,774.39x = 74,660.65 × 12,334.56
  4. Step 4: Simplify right side
    49,774.39x = 920,906,267.06
  5. Step 5: Solve for x
    x = 920,906,267.06/49,774.39
  6. Step 6: Final answer
    x = 18,501.61

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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.