Home / 52,853.26-72,936.97-28,979.87

Finding the Fourth Proportional to 52,853.26, 72,936.97 and 28,979.87

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Solution

The fourth proportional to 52,853.26, 72,936.97 and 28,979.87 is: 39,991.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,853.26 : 72,936.97 = 28,979.87 : x
  2. Step 2: Convert to fraction form
    52,853.26/72,936.97 = 28,979.87/x
  3. Step 3: Cross multiply
    52,853.26x = 72,936.97 × 28,979.87
  4. Step 4: Simplify right side
    52,853.26x = 2,113,704,018.69
  5. Step 5: Solve for x
    x = 2,113,704,018.69/52,853.26
  6. Step 6: Final answer
    x = 39,991.93

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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.