Home / 49,376.12-74,083.68-19,789.79

Finding the Fourth Proportional to 49,376.12, 74,083.68 and 19,789.79

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Solution

The fourth proportional to 49,376.12, 74,083.68 and 19,789.79 is: 29,692.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,376.12 : 74,083.68 = 19,789.79 : x
  2. Step 2: Convert to fraction form
    49,376.12/74,083.68 = 19,789.79/x
  3. Step 3: Cross multiply
    49,376.12x = 74,083.68 × 19,789.79
  4. Step 4: Simplify right side
    49,376.12x = 1,466,100,099.21
  5. Step 5: Solve for x
    x = 1,466,100,099.21/49,376.12
  6. Step 6: Final answer
    x = 29,692.50

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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.