Home / 53,356.68-80,040.60-18,299.16

Finding the Fourth Proportional to 53,356.68, 80,040.60 and 18,299.16

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Solution

The fourth proportional to 53,356.68, 80,040.60 and 18,299.16 is: 27,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,356.68 : 80,040.60 = 18,299.16 : x
  2. Step 2: Convert to fraction form
    53,356.68/80,040.60 = 18,299.16/x
  3. Step 3: Cross multiply
    53,356.68x = 80,040.60 × 18,299.16
  4. Step 4: Simplify right side
    53,356.68x = 1,464,675,745.90
  5. Step 5: Solve for x
    x = 1,464,675,745.90/53,356.68
  6. Step 6: Final answer
    x = 27,450.65

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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.