Home / 36,324.55-50,134.08-21,218.98

Finding the Fourth Proportional to 36,324.55, 50,134.08 and 21,218.98

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Solution

The fourth proportional to 36,324.55, 50,134.08 and 21,218.98 is: 29,285.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,324.55 : 50,134.08 = 21,218.98 : x
  2. Step 2: Convert to fraction form
    36,324.55/50,134.08 = 21,218.98/x
  3. Step 3: Cross multiply
    36,324.55x = 50,134.08 × 21,218.98
  4. Step 4: Simplify right side
    36,324.55x = 1,063,794,040.84
  5. Step 5: Solve for x
    x = 1,063,794,040.84/36,324.55
  6. Step 6: Final answer
    x = 29,285.81

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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.