Home / 57,388.36-86,084.88-17,945.80

Finding the Fourth Proportional to 57,388.36, 86,084.88 and 17,945.80

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Solution

The fourth proportional to 57,388.36, 86,084.88 and 17,945.80 is: 26,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,388.36 : 86,084.88 = 17,945.80 : x
  2. Step 2: Convert to fraction form
    57,388.36/86,084.88 = 17,945.80/x
  3. Step 3: Cross multiply
    57,388.36x = 86,084.88 × 17,945.80
  4. Step 4: Simplify right side
    57,388.36x = 1,544,862,039.50
  5. Step 5: Solve for x
    x = 1,544,862,039.50/57,388.36
  6. Step 6: Final answer
    x = 26,919.43

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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.