Home / 57,679.36-86,518.50-18,236.48

Finding the Fourth Proportional to 57,679.36, 86,518.50 and 18,236.48

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Solution

The fourth proportional to 57,679.36, 86,518.50 and 18,236.48 is: 27,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,679.36 : 86,518.50 = 18,236.48 : x
  2. Step 2: Convert to fraction form
    57,679.36/86,518.50 = 18,236.48/x
  3. Step 3: Cross multiply
    57,679.36x = 86,518.50 × 18,236.48
  4. Step 4: Simplify right side
    57,679.36x = 1,577,792,724.17
  5. Step 5: Solve for x
    x = 1,577,792,724.17/57,679.36
  6. Step 6: Final answer
    x = 27,354.55

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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.