Home / 50,784.80-76,184.28-21,195.86

Finding the Fourth Proportional to 50,784.80, 76,184.28 and 21,195.86

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Solution

The fourth proportional to 50,784.80, 76,184.28 and 21,195.86 is: 31,796.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,784.80 : 76,184.28 = 21,195.86 : x
  2. Step 2: Convert to fraction form
    50,784.80/76,184.28 = 21,195.86/x
  3. Step 3: Cross multiply
    50,784.80x = 76,184.28 × 21,195.86
  4. Step 4: Simplify right side
    50,784.80x = 1,614,790,952.16
  5. Step 5: Solve for x
    x = 1,614,790,952.16/50,784.80
  6. Step 6: Final answer
    x = 31,796.74

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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.