Home / 50,665.04-75,956.52-21,105

Finding the Fourth Proportional to 50,665.04, 75,956.52 and 21,105

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Solution

The fourth proportional to 50,665.04, 75,956.52 and 21,105 is: 31,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,665.04 : 75,956.52 = 21,105 : x
  2. Step 2: Convert to fraction form
    50,665.04/75,956.52 = 21,105/x
  3. Step 3: Cross multiply
    50,665.04x = 75,956.52 × 21,105
  4. Step 4: Simplify right side
    50,665.04x = 1,603,062,354.60
  5. Step 5: Solve for x
    x = 1,603,062,354.60/50,665.04
  6. Step 6: Final answer
    x = 31,640.41

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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.