Home / 31,935.56-47,860.89-16,939.59

Finding the Fourth Proportional to 31,935.56, 47,860.89 and 16,939.59

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Solution

The fourth proportional to 31,935.56, 47,860.89 and 16,939.59 is: 25,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.56 : 47,860.89 = 16,939.59 : x
  2. Step 2: Convert to fraction form
    31,935.56/47,860.89 = 16,939.59/x
  3. Step 3: Cross multiply
    31,935.56x = 47,860.89 × 16,939.59
  4. Step 4: Simplify right side
    31,935.56x = 810,743,853.64
  5. Step 5: Solve for x
    x = 810,743,853.64/31,935.56
  6. Step 6: Final answer
    x = 25,386.87

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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.