Home / 36,515.43-50,391.95-21,418.98

Finding the Fourth Proportional to 36,515.43, 50,391.95 and 21,418.98

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Solution

The fourth proportional to 36,515.43, 50,391.95 and 21,418.98 is: 29,558.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,515.43 : 50,391.95 = 21,418.98 : x
  2. Step 2: Convert to fraction form
    36,515.43/50,391.95 = 21,418.98/x
  3. Step 3: Cross multiply
    36,515.43x = 50,391.95 × 21,418.98
  4. Step 4: Simplify right side
    36,515.43x = 1,079,344,216.84
  5. Step 5: Solve for x
    x = 1,079,344,216.84/36,515.43
  6. Step 6: Final answer
    x = 29,558.58

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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.