Home / 50,650.70-75,979.30-19,485.95

Finding the Fourth Proportional to 50,650.70, 75,979.30 and 19,485.95

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Solution

The fourth proportional to 50,650.70, 75,979.30 and 19,485.95 is: 29,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,650.70 : 75,979.30 = 19,485.95 : x
  2. Step 2: Convert to fraction form
    50,650.70/75,979.30 = 19,485.95/x
  3. Step 3: Cross multiply
    50,650.70x = 75,979.30 × 19,485.95
  4. Step 4: Simplify right side
    50,650.70x = 1,480,528,982.07
  5. Step 5: Solve for x
    x = 1,480,528,982.07/50,650.70
  6. Step 6: Final answer
    x = 29,230.18

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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.