Home / 52,791.82-72,852.73-28,919.35

Finding the Fourth Proportional to 52,791.82, 72,852.73 and 28,919.35

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Solution

The fourth proportional to 52,791.82, 72,852.73 and 28,919.35 is: 39,908.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,791.82 : 72,852.73 = 28,919.35 : x
  2. Step 2: Convert to fraction form
    52,791.82/72,852.73 = 28,919.35/x
  3. Step 3: Cross multiply
    52,791.82x = 72,852.73 × 28,919.35
  4. Step 4: Simplify right side
    52,791.82x = 2,106,853,452.73
  5. Step 5: Solve for x
    x = 2,106,853,452.73/52,791.82
  6. Step 6: Final answer
    x = 39,908.71

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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.