Home / 52,849.82-72,932.10-28,976.51

Finding the Fourth Proportional to 52,849.82, 72,932.10 and 28,976.51

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Solution

The fourth proportional to 52,849.82, 72,932.10 and 28,976.51 is: 39,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,849.82 : 72,932.10 = 28,976.51 : x
  2. Step 2: Convert to fraction form
    52,849.82/72,932.10 = 28,976.51/x
  3. Step 3: Cross multiply
    52,849.82x = 72,932.10 × 28,976.51
  4. Step 4: Simplify right side
    52,849.82x = 2,113,317,724.97
  5. Step 5: Solve for x
    x = 2,113,317,724.97/52,849.82
  6. Step 6: Final answer
    x = 39,987.23

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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.