Home / 43,939.94-65,890.01-13,945.52

Finding the Fourth Proportional to 43,939.94, 65,890.01 and 13,945.52

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Solution

The fourth proportional to 43,939.94, 65,890.01 and 13,945.52 is: 20,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,939.94 : 65,890.01 = 13,945.52 : x
  2. Step 2: Convert to fraction form
    43,939.94/65,890.01 = 13,945.52/x
  3. Step 3: Cross multiply
    43,939.94x = 65,890.01 × 13,945.52
  4. Step 4: Simplify right side
    43,939.94x = 918,870,651.84
  5. Step 5: Solve for x
    x = 918,870,651.84/43,939.94
  6. Step 6: Final answer
    x = 20,911.97

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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.