Home / 49,448-74,181.30-19,868.20

Finding the Fourth Proportional to 49,448, 74,181.30 and 19,868.20

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Solution

The fourth proportional to 49,448, 74,181.30 and 19,868.20 is: 29,806.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,448 : 74,181.30 = 19,868.20 : x
  2. Step 2: Convert to fraction form
    49,448/74,181.30 = 19,868.20/x
  3. Step 3: Cross multiply
    49,448x = 74,181.30 × 19,868.20
  4. Step 4: Simplify right side
    49,448x = 1,473,848,904.66
  5. Step 5: Solve for x
    x = 1,473,848,904.66/49,448
  6. Step 6: Final answer
    x = 29,806.04

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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.