Home / 51,963.72-77,939.10-20,799.24

Finding the Fourth Proportional to 51,963.72, 77,939.10 and 20,799.24

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Solution

The fourth proportional to 51,963.72, 77,939.10 and 20,799.24 is: 31,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,963.72 : 77,939.10 = 20,799.24 : x
  2. Step 2: Convert to fraction form
    51,963.72/77,939.10 = 20,799.24/x
  3. Step 3: Cross multiply
    51,963.72x = 77,939.10 × 20,799.24
  4. Step 4: Simplify right side
    51,963.72x = 1,621,074,046.28
  5. Step 5: Solve for x
    x = 1,621,074,046.28/51,963.72
  6. Step 6: Final answer
    x = 31,196.27

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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.