Home / 49,856.12-68,798.86-30,992.92

Finding the Fourth Proportional to 49,856.12, 68,798.86 and 30,992.92

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Solution

The fourth proportional to 49,856.12, 68,798.86 and 30,992.92 is: 42,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,856.12 : 68,798.86 = 30,992.92 : x
  2. Step 2: Convert to fraction form
    49,856.12/68,798.86 = 30,992.92/x
  3. Step 3: Cross multiply
    49,856.12x = 68,798.86 × 30,992.92
  4. Step 4: Simplify right side
    49,856.12x = 2,132,277,564.07
  5. Step 5: Solve for x
    x = 2,132,277,564.07/49,856.12
  6. Step 6: Final answer
    x = 42,768.62

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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.