Home / 41,939.13-57,866.50-30,614.79

Finding the Fourth Proportional to 41,939.13, 57,866.50 and 30,614.79

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Solution

The fourth proportional to 41,939.13, 57,866.50 and 30,614.79 is: 42,241.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,939.13 : 57,866.50 = 30,614.79 : x
  2. Step 2: Convert to fraction form
    41,939.13/57,866.50 = 30,614.79/x
  3. Step 3: Cross multiply
    41,939.13x = 57,866.50 × 30,614.79
  4. Step 4: Simplify right side
    41,939.13x = 1,771,571,000.80
  5. Step 5: Solve for x
    x = 1,771,571,000.80/41,939.13
  6. Step 6: Final answer
    x = 42,241.48

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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.