Home / 43,939.98-65,900.10-20,224.80

Finding the Fourth Proportional to 43,939.98, 65,900.10 and 20,224.80

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Solution

The fourth proportional to 43,939.98, 65,900.10 and 20,224.80 is: 30,332.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,939.98 : 65,900.10 = 20,224.80 : x
  2. Step 2: Convert to fraction form
    43,939.98/65,900.10 = 20,224.80/x
  3. Step 3: Cross multiply
    43,939.98x = 65,900.10 × 20,224.80
  4. Step 4: Simplify right side
    43,939.98x = 1,332,816,342.48
  5. Step 5: Solve for x
    x = 1,332,816,342.48/43,939.98
  6. Step 6: Final answer
    x = 30,332.66

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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.