Home / 50,981.28-76,520.46-21,391.14

Finding the Fourth Proportional to 50,981.28, 76,520.46 and 21,391.14

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Solution

The fourth proportional to 50,981.28, 76,520.46 and 21,391.14 is: 32,107.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,981.28 : 76,520.46 = 21,391.14 : x
  2. Step 2: Convert to fraction form
    50,981.28/76,520.46 = 21,391.14/x
  3. Step 3: Cross multiply
    50,981.28x = 76,520.46 × 21,391.14
  4. Step 4: Simplify right side
    50,981.28x = 1,636,859,872.72
  5. Step 5: Solve for x
    x = 1,636,859,872.72/50,981.28
  6. Step 6: Final answer
    x = 32,107.08

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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.