Home / 50,849.74-76,285.62-20,864.05

Finding the Fourth Proportional to 50,849.74, 76,285.62 and 20,864.05

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Solution

The fourth proportional to 50,849.74, 76,285.62 and 20,864.05 is: 31,300.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,849.74 : 76,285.62 = 20,864.05 : x
  2. Step 2: Convert to fraction form
    50,849.74/76,285.62 = 20,864.05/x
  3. Step 3: Cross multiply
    50,849.74x = 76,285.62 × 20,864.05
  4. Step 4: Simplify right side
    50,849.74x = 1,591,626,989.96
  5. Step 5: Solve for x
    x = 1,591,626,989.96/50,849.74
  6. Step 6: Final answer
    x = 31,300.59

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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.