Home / 57,939.84-86,911.26-18,496.92

Finding the Fourth Proportional to 57,939.84, 86,911.26 and 18,496.92

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Solution

The fourth proportional to 57,939.84, 86,911.26 and 18,496.92 is: 27,745.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,939.84 : 86,911.26 = 18,496.92 : x
  2. Step 2: Convert to fraction form
    57,939.84/86,911.26 = 18,496.92/x
  3. Step 3: Cross multiply
    57,939.84x = 86,911.26 × 18,496.92
  4. Step 4: Simplify right side
    57,939.84x = 1,607,590,623.32
  5. Step 5: Solve for x
    x = 1,607,590,623.32/57,939.84
  6. Step 6: Final answer
    x = 27,745.86

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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.