Home / 50,682.18-76,011.47-19,095.40

Finding the Fourth Proportional to 50,682.18, 76,011.47 and 19,095.40

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Solution

The fourth proportional to 50,682.18, 76,011.47 and 19,095.40 is: 28,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,682.18 : 76,011.47 = 19,095.40 : x
  2. Step 2: Convert to fraction form
    50,682.18/76,011.47 = 19,095.40/x
  3. Step 3: Cross multiply
    50,682.18x = 76,011.47 × 19,095.40
  4. Step 4: Simplify right side
    50,682.18x = 1,451,469,762.87
  5. Step 5: Solve for x
    x = 1,451,469,762.87/50,682.18
  6. Step 6: Final answer
    x = 28,638.66

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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.