Home / 53,822.80-80,734.12-18,287.82

Finding the Fourth Proportional to 53,822.80, 80,734.12 and 18,287.82

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Solution

The fourth proportional to 53,822.80, 80,734.12 and 18,287.82 is: 27,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,822.80 : 80,734.12 = 18,287.82 : x
  2. Step 2: Convert to fraction form
    53,822.80/80,734.12 = 18,287.82/x
  3. Step 3: Cross multiply
    53,822.80x = 80,734.12 × 18,287.82
  4. Step 4: Simplify right side
    53,822.80x = 1,476,450,774.53
  5. Step 5: Solve for x
    x = 1,476,450,774.53/53,822.80
  6. Step 6: Final answer
    x = 27,431.70

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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.