Home / 36,821.88-50,811.77-21,713.84

Finding the Fourth Proportional to 36,821.88, 50,811.77 and 21,713.84

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Solution

The fourth proportional to 36,821.88, 50,811.77 and 21,713.84 is: 29,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.88 : 50,811.77 = 21,713.84 : x
  2. Step 2: Convert to fraction form
    36,821.88/50,811.77 = 21,713.84/x
  3. Step 3: Cross multiply
    36,821.88x = 50,811.77 × 21,713.84
  4. Step 4: Simplify right side
    36,821.88x = 1,103,318,281.27
  5. Step 5: Solve for x
    x = 1,103,318,281.27/36,821.88
  6. Step 6: Final answer
    x = 29,963.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.