Home / 49,539.12-74,289.24-19,951.44

Finding the Fourth Proportional to 49,539.12, 74,289.24 and 19,951.44

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Solution

The fourth proportional to 49,539.12, 74,289.24 and 19,951.44 is: 29,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,539.12 : 74,289.24 = 19,951.44 : x
  2. Step 2: Convert to fraction form
    49,539.12/74,289.24 = 19,951.44/x
  3. Step 3: Cross multiply
    49,539.12x = 74,289.24 × 19,951.44
  4. Step 4: Simplify right side
    49,539.12x = 1,482,177,314.51
  5. Step 5: Solve for x
    x = 1,482,177,314.51/49,539.12
  6. Step 6: Final answer
    x = 29,919.33

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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.