Home / 33,318.30-49,977.86-18,620.85

Finding the Fourth Proportional to 33,318.30, 49,977.86 and 18,620.85

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Solution

The fourth proportional to 33,318.30, 49,977.86 and 18,620.85 is: 27,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,318.30 : 49,977.86 = 18,620.85 : x
  2. Step 2: Convert to fraction form
    33,318.30/49,977.86 = 18,620.85/x
  3. Step 3: Cross multiply
    33,318.30x = 49,977.86 × 18,620.85
  4. Step 4: Simplify right side
    33,318.30x = 930,630,141.28
  5. Step 5: Solve for x
    x = 930,630,141.28/33,318.30
  6. Step 6: Final answer
    x = 27,931.50

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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.