Home / 50,784.98-76,189.61-21,186.36

Finding the Fourth Proportional to 50,784.98, 76,189.61 and 21,186.36

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Solution

The fourth proportional to 50,784.98, 76,189.61 and 21,186.36 is: 31,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,784.98 : 76,189.61 = 21,186.36 : x
  2. Step 2: Convert to fraction form
    50,784.98/76,189.61 = 21,186.36/x
  3. Step 3: Cross multiply
    50,784.98x = 76,189.61 × 21,186.36
  4. Step 4: Simplify right side
    50,784.98x = 1,614,180,558.69
  5. Step 5: Solve for x
    x = 1,614,180,558.69/50,784.98
  6. Step 6: Final answer
    x = 31,784.61

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1.5x scale

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.